397253520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 240

約数和(自身を含む): 1427587200

約数和(自身を除く): 1030333680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 71, 72, 76, 80, 90, 95, 114, 120, 142, 144, 152, 171, 180, 190, 213, 228, 240, 284, 285, 304, 342, 355, 360, 380, 409, 426, 456, 568, 570, 639, 684, 710, 720, 760, 818, 852, 855, 912, 1065, 1136, 1140, 1227, 1278, 1349, 1368, 1420, 1520, 1636, 1704, 1710, 2045, 2130, 2280, 2454, 2556, 2698, 2736, 2840, 3195, 3272, 3408, 3420, 3681, 4047, 4090, 4260, 4560, 4908, 5112, 5396, 5680, 6135, 6390, 6544, 6745, 6840, 7362, 7771, 8094, 8180, 8520, 9816, 10224, 10792, 12141, 12270, 12780, 13490, 13680, 14724, 15542, 16188, 16360, 17040, 18405, 19632, 20235, 21584, 23313, 24282, 24540, 25560, 26980, 29039, 29448, 31084, 32376, 32720, 36810, 38855, 40470, 46626, 48564, 49080, 51120, 53960, 58078, 58896, 60705, 62168, 64752, 69939, 73620, 77710, 80940, 87117, 93252, 97128, 98160, 107920, 116156, 116565, 121410, 124336, 139878, 145195, 147240, 155420, 161880, 174234, 186504, 194256, 232312, 233130, 242820, 261351, 279756, 290390, 294480, 310840, 323760, 348468, 349695, 373008, 435585, 464624, 466260, 485640, 522702, 551741, 559512, 580780, 621680, 696936, 699390, 871170, 932520, 971280, 1045404, 1103482, 1119024, 1161560, 1306755, 1393872, 1398780, 1655223, 1742340, 1865040, 2090808, 2206964, 2323120, 2613510, 2758705, 2797560, 3310446, 3484680, 4181616, 4413928, 4965669, 5227020, 5517410, 5595120, 6620892, 6969360, 8276115, 8827856, 9931338, 10454040, 11034820, 13241784, 16552230, 19862676, 20908080, 22069640, 24828345, 26483568, 33104460, 39725352, 44139280, 49656690, 66208920, 79450704, 99313380, 132417840, 198626760, 397253520]

約数ペア:

[(1, 397253520), (2, 198626760), (3, 132417840), (4, 99313380), (5, 79450704), (6, 66208920), (8, 49656690), (9, 44139280), (10, 39725352), (12, 33104460), (15, 26483568), (16, 24828345), (18, 22069640), (19, 20908080), (20, 19862676), (24, 16552230), (30, 13241784), (36, 11034820), (38, 10454040), (40, 9931338), (45, 8827856), (48, 8276115), (57, 6969360), (60, 6620892), (71, 5595120), (72, 5517410), (76, 5227020), (80, 4965669), (90, 4413928), (95, 4181616), (114, 3484680), (120, 3310446), (142, 2797560), (144, 2758705), (152, 2613510), (171, 2323120), (180, 2206964), (190, 2090808), (213, 1865040), (228, 1742340), (240, 1655223), (284, 1398780), (285, 1393872), (304, 1306755), (342, 1161560), (355, 1119024), (360, 1103482), (380, 1045404), (409, 971280), (426, 932520), (456, 871170), (568, 699390), (570, 696936), (639, 621680), (684, 580780), (710, 559512), (720, 551741), (760, 522702), (818, 485640), (852, 466260), (855, 464624), (912, 435585), (1065, 373008), (1136, 349695), (1140, 348468), (1227, 323760), (1278, 310840), (1349, 294480), (1368, 290390), (1420, 279756), (1520, 261351), (1636, 242820), (1704, 233130), (1710, 232312), (2045, 194256), (2130, 186504), (2280, 174234), (2454, 161880), (2556, 155420), (2698, 147240), (2736, 145195), (2840, 139878), (3195, 124336), (3272, 121410), (3408, 116565), (3420, 116156), (3681, 107920), (4047, 98160), (4090, 97128), (4260, 93252), (4560, 87117), (4908, 80940), (5112, 77710), (5396, 73620), (5680, 69939), (6135, 64752), (6390, 62168), (6544, 60705), (6745, 58896), (6840, 58078), (7362, 53960), (7771, 51120), (8094, 49080), (8180, 48564), (8520, 46626), (9816, 40470), (10224, 38855), (10792, 36810), (12141, 32720), (12270, 32376), (12780, 31084), (13490, 29448), (13680, 29039), (14724, 26980), (15542, 25560), (16188, 24540), (16360, 24282), (17040, 23313), (18405, 21584), (19632, 20235)]