78278100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 246650880

約数和(自身を除く): 168372780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 31, 38, 50, 57, 60, 62, 75, 76, 93, 95, 100, 114, 124, 150, 155, 186, 190, 228, 285, 300, 310, 372, 380, 443, 465, 475, 570, 589, 620, 775, 886, 930, 950, 1140, 1178, 1329, 1425, 1550, 1767, 1772, 1860, 1900, 2215, 2325, 2356, 2658, 2850, 2945, 3100, 3534, 4430, 4650, 5316, 5700, 5890, 6645, 7068, 8417, 8835, 8860, 9300, 11075, 11780, 13290, 13733, 14725, 16834, 17670, 22150, 25251, 26580, 27466, 29450, 33225, 33668, 35340, 41199, 42085, 44175, 44300, 50502, 54932, 58900, 66450, 68665, 82398, 84170, 88350, 101004, 126255, 132900, 137330, 164796, 168340, 176700, 205995, 210425, 252510, 260927, 274660, 343325, 411990, 420850, 505020, 521854, 631275, 686650, 782781, 823980, 841700, 1029975, 1043708, 1262550, 1304635, 1373300, 1565562, 2059950, 2525100, 2609270, 3131124, 3913905, 4119900, 5218540, 6523175, 7827810, 13046350, 15655620, 19569525, 26092700, 39139050, 78278100]

約数ペア:

[(1, 78278100), (2, 39139050), (3, 26092700), (4, 19569525), (5, 15655620), (6, 13046350), (10, 7827810), (12, 6523175), (15, 5218540), (19, 4119900), (20, 3913905), (25, 3131124), (30, 2609270), (31, 2525100), (38, 2059950), (50, 1565562), (57, 1373300), (60, 1304635), (62, 1262550), (75, 1043708), (76, 1029975), (93, 841700), (95, 823980), (100, 782781), (114, 686650), (124, 631275), (150, 521854), (155, 505020), (186, 420850), (190, 411990), (228, 343325), (285, 274660), (300, 260927), (310, 252510), (372, 210425), (380, 205995), (443, 176700), (465, 168340), (475, 164796), (570, 137330), (589, 132900), (620, 126255), (775, 101004), (886, 88350), (930, 84170), (950, 82398), (1140, 68665), (1178, 66450), (1329, 58900), (1425, 54932), (1550, 50502), (1767, 44300), (1772, 44175), (1860, 42085), (1900, 41199), (2215, 35340), (2325, 33668), (2356, 33225), (2658, 29450), (2850, 27466), (2945, 26580), (3100, 25251), (3534, 22150), (4430, 17670), (4650, 16834), (5316, 14725), (5700, 13733), (5890, 13290), (6645, 11780), (7068, 11075), (8417, 9300), (8835, 8860)]