649225440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:490

約数の個数: 288

約数和(自身を含む): 2376410400

約数和(自身を除く): 1727184960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 61, 72, 76, 80, 90, 95, 96, 114, 120, 122, 144, 152, 160, 171, 180, 183, 190, 228, 240, 244, 285, 288, 304, 305, 342, 360, 366, 380, 389, 456, 480, 488, 549, 570, 608, 610, 684, 720, 732, 760, 778, 855, 912, 915, 976, 1098, 1140, 1159, 1167, 1220, 1368, 1440, 1464, 1520, 1556, 1710, 1824, 1830, 1945, 1952, 2196, 2280, 2318, 2334, 2440, 2736, 2745, 2928, 3040, 3112, 3420, 3477, 3501, 3660, 3890, 4392, 4560, 4636, 4668, 4880, 5472, 5490, 5795, 5835, 5856, 6224, 6840, 6954, 7002, 7320, 7391, 7780, 8784, 9120, 9272, 9336, 9760, 10431, 10980, 11590, 11670, 12448, 13680, 13908, 14004, 14640, 14782, 15560, 17385, 17505, 17568, 18544, 18672, 20862, 21960, 22173, 23180, 23340, 23729, 27360, 27816, 28008, 29280, 29564, 31120, 34770, 35010, 36955, 37088, 37344, 41724, 43920, 44346, 46360, 46680, 47458, 52155, 55632, 56016, 59128, 62240, 66519, 69540, 70020, 71187, 73910, 83448, 87840, 88692, 92720, 93360, 94916, 104310, 110865, 111264, 112032, 118256, 118645, 133038, 139080, 140040, 142374, 147820, 166896, 177384, 185440, 186720, 189832, 208620, 213561, 221730, 236512, 237290, 266076, 278160, 280080, 284748, 295640, 332595, 333792, 354768, 355935, 379664, 417240, 427122, 443460, 450851, 474580, 532152, 556320, 560160, 569496, 591280, 665190, 709536, 711870, 759328, 834480, 854244, 886920, 901702, 949160, 1064304, 1067805, 1138992, 1182560, 1330380, 1352553, 1423740, 1668960, 1708488, 1773840, 1803404, 1898320, 2128608, 2135610, 2254255, 2277984, 2660760, 2705106, 2847480, 3416976, 3547680, 3606808, 3796640, 4057659, 4271220, 4508510, 5321520, 5410212, 5694960, 6762765, 6833952, 7213616, 8115318, 8542440, 9017020, 10643040, 10820424, 11389920, 13525530, 14427232, 16230636, 17084880, 18034040, 20288295, 21640848, 27051060, 32461272, 34169760, 36068080, 40576590, 43281696, 54102120, 64922544, 72136160, 81153180, 108204240, 129845088, 162306360, 216408480, 324612720, 649225440]

約数ペア:

[(1, 649225440), (2, 324612720), (3, 216408480), (4, 162306360), (5, 129845088), (6, 108204240), (8, 81153180), (9, 72136160), (10, 64922544), (12, 54102120), (15, 43281696), (16, 40576590), (18, 36068080), (19, 34169760), (20, 32461272), (24, 27051060), (30, 21640848), (32, 20288295), (36, 18034040), (38, 17084880), (40, 16230636), (45, 14427232), (48, 13525530), (57, 11389920), (60, 10820424), (61, 10643040), (72, 9017020), (76, 8542440), (80, 8115318), (90, 7213616), (95, 6833952), (96, 6762765), (114, 5694960), (120, 5410212), (122, 5321520), (144, 4508510), (152, 4271220), (160, 4057659), (171, 3796640), (180, 3606808), (183, 3547680), (190, 3416976), (228, 2847480), (240, 2705106), (244, 2660760), (285, 2277984), (288, 2254255), (304, 2135610), (305, 2128608), (342, 1898320), (360, 1803404), (366, 1773840), (380, 1708488), (389, 1668960), (456, 1423740), (480, 1352553), (488, 1330380), (549, 1182560), (570, 1138992), (608, 1067805), (610, 1064304), (684, 949160), (720, 901702), (732, 886920), (760, 854244), (778, 834480), (855, 759328), (912, 711870), (915, 709536), (976, 665190), (1098, 591280), (1140, 569496), (1159, 560160), (1167, 556320), (1220, 532152), (1368, 474580), (1440, 450851), (1464, 443460), (1520, 427122), (1556, 417240), (1710, 379664), (1824, 355935), (1830, 354768), (1945, 333792), (1952, 332595), (2196, 295640), (2280, 284748), (2318, 280080), (2334, 278160), (2440, 266076), (2736, 237290), (2745, 236512), (2928, 221730), (3040, 213561), (3112, 208620), (3420, 189832), (3477, 186720), (3501, 185440), (3660, 177384), (3890, 166896), (4392, 147820), (4560, 142374), (4636, 140040), (4668, 139080), (4880, 133038), (5472, 118645), (5490, 118256), (5795, 112032), (5835, 111264), (5856, 110865), (6224, 104310), (6840, 94916), (6954, 93360), (7002, 92720), (7320, 88692), (7391, 87840), (7780, 83448), (8784, 73910), (9120, 71187), (9272, 70020), (9336, 69540), (9760, 66519), (10431, 62240), (10980, 59128), (11590, 56016), (11670, 55632), (12448, 52155), (13680, 47458), (13908, 46680), (14004, 46360), (14640, 44346), (14782, 43920), (15560, 41724), (17385, 37344), (17505, 37088), (17568, 36955), (18544, 35010), (18672, 34770), (20862, 31120), (21960, 29564), (22173, 29280), (23180, 28008), (23340, 27816), (23729, 27360)]