628171920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1062

約数の個数: 240

約数和(自身を含む): 2270211840

約数和(自身を除く): 1642039920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 47, 48, 57, 60, 72, 76, 80, 90, 94, 95, 114, 120, 141, 144, 152, 171, 180, 188, 190, 228, 235, 240, 282, 285, 304, 342, 360, 376, 380, 423, 456, 470, 564, 570, 684, 705, 720, 752, 760, 846, 855, 893, 912, 940, 977, 1128, 1140, 1368, 1410, 1520, 1692, 1710, 1786, 1880, 1954, 2115, 2256, 2280, 2679, 2736, 2820, 2931, 3384, 3420, 3572, 3760, 3908, 4230, 4465, 4560, 4885, 5358, 5640, 5862, 6768, 6840, 7144, 7816, 8037, 8460, 8793, 8930, 9770, 10716, 11280, 11724, 13395, 13680, 14288, 14655, 15632, 16074, 16920, 17586, 17860, 18563, 19540, 21432, 23448, 26790, 29310, 32148, 33840, 35172, 35720, 37126, 39080, 40185, 42864, 43965, 45919, 46896, 53580, 55689, 58620, 64296, 70344, 71440, 74252, 78160, 80370, 87930, 91838, 92815, 107160, 111378, 117240, 128592, 137757, 140688, 148504, 160740, 167067, 175860, 183676, 185630, 214320, 222756, 229595, 234480, 275514, 278445, 297008, 321480, 334134, 351720, 367352, 371260, 413271, 445512, 459190, 551028, 556890, 642960, 668268, 688785, 703440, 734704, 742520, 826542, 835335, 872461, 891024, 918380, 1102056, 1113780, 1336536, 1377570, 1485040, 1653084, 1670670, 1744922, 1836760, 2066355, 2204112, 2227560, 2617383, 2673072, 2755140, 3306168, 3341340, 3489844, 3673520, 4132710, 4362305, 4455120, 5234766, 5510280, 6612336, 6682680, 6979688, 7852149, 8265420, 8724610, 10469532, 11020560, 13086915, 13365360, 13959376, 15704298, 16530840, 17449220, 20939064, 26173830, 31408596, 33061680, 34898440, 39260745, 41878128, 52347660, 62817192, 69796880, 78521490, 104695320, 125634384, 157042980, 209390640, 314085960, 628171920]

約数ペア:

[(1, 628171920), (2, 314085960), (3, 209390640), (4, 157042980), (5, 125634384), (6, 104695320), (8, 78521490), (9, 69796880), (10, 62817192), (12, 52347660), (15, 41878128), (16, 39260745), (18, 34898440), (19, 33061680), (20, 31408596), (24, 26173830), (30, 20939064), (36, 17449220), (38, 16530840), (40, 15704298), (45, 13959376), (47, 13365360), (48, 13086915), (57, 11020560), (60, 10469532), (72, 8724610), (76, 8265420), (80, 7852149), (90, 6979688), (94, 6682680), (95, 6612336), (114, 5510280), (120, 5234766), (141, 4455120), (144, 4362305), (152, 4132710), (171, 3673520), (180, 3489844), (188, 3341340), (190, 3306168), (228, 2755140), (235, 2673072), (240, 2617383), (282, 2227560), (285, 2204112), (304, 2066355), (342, 1836760), (360, 1744922), (376, 1670670), (380, 1653084), (423, 1485040), (456, 1377570), (470, 1336536), (564, 1113780), (570, 1102056), (684, 918380), (705, 891024), (720, 872461), (752, 835335), (760, 826542), (846, 742520), (855, 734704), (893, 703440), (912, 688785), (940, 668268), (977, 642960), (1128, 556890), (1140, 551028), (1368, 459190), (1410, 445512), (1520, 413271), (1692, 371260), (1710, 367352), (1786, 351720), (1880, 334134), (1954, 321480), (2115, 297008), (2256, 278445), (2280, 275514), (2679, 234480), (2736, 229595), (2820, 222756), (2931, 214320), (3384, 185630), (3420, 183676), (3572, 175860), (3760, 167067), (3908, 160740), (4230, 148504), (4465, 140688), (4560, 137757), (4885, 128592), (5358, 117240), (5640, 111378), (5862, 107160), (6768, 92815), (6840, 91838), (7144, 87930), (7816, 80370), (8037, 78160), (8460, 74252), (8793, 71440), (8930, 70344), (9770, 64296), (10716, 58620), (11280, 55689), (11724, 53580), (13395, 46896), (13680, 45919), (14288, 43965), (14655, 42864), (15632, 40185), (16074, 39080), (16920, 37126), (17586, 35720), (17860, 35172), (18563, 33840), (19540, 32148), (21432, 29310), (23448, 26790)]