51285750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 139276800

約数和(自身を除く): 87991050

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 59, 61, 75, 95, 114, 118, 122, 125, 150, 177, 183, 190, 250, 285, 295, 305, 354, 366, 375, 475, 570, 590, 610, 750, 885, 915, 950, 1121, 1159, 1425, 1475, 1525, 1770, 1830, 2242, 2318, 2375, 2850, 2950, 3050, 3363, 3477, 3599, 4425, 4575, 4750, 5605, 5795, 6726, 6954, 7125, 7198, 7375, 7625, 8850, 9150, 10797, 11210, 11590, 14250, 14750, 15250, 16815, 17385, 17995, 21594, 22125, 22875, 28025, 28975, 33630, 34770, 35990, 44250, 45750, 53985, 56050, 57950, 68381, 84075, 86925, 89975, 107970, 136762, 140125, 144875, 168150, 173850, 179950, 205143, 269925, 280250, 289750, 341905, 410286, 420375, 434625, 449875, 539850, 683810, 840750, 869250, 899750, 1025715, 1349625, 1709525, 2051430, 2699250, 3419050, 5128575, 8547625, 10257150, 17095250, 25642875, 51285750]

約数ペア:

[(1, 51285750), (2, 25642875), (3, 17095250), (5, 10257150), (6, 8547625), (10, 5128575), (15, 3419050), (19, 2699250), (25, 2051430), (30, 1709525), (38, 1349625), (50, 1025715), (57, 899750), (59, 869250), (61, 840750), (75, 683810), (95, 539850), (114, 449875), (118, 434625), (122, 420375), (125, 410286), (150, 341905), (177, 289750), (183, 280250), (190, 269925), (250, 205143), (285, 179950), (295, 173850), (305, 168150), (354, 144875), (366, 140125), (375, 136762), (475, 107970), (570, 89975), (590, 86925), (610, 84075), (750, 68381), (885, 57950), (915, 56050), (950, 53985), (1121, 45750), (1159, 44250), (1425, 35990), (1475, 34770), (1525, 33630), (1770, 28975), (1830, 28025), (2242, 22875), (2318, 22125), (2375, 21594), (2850, 17995), (2950, 17385), (3050, 16815), (3363, 15250), (3477, 14750), (3599, 14250), (4425, 11590), (4575, 11210), (4750, 10797), (5605, 9150), (5795, 8850), (6726, 7625), (6954, 7375), (7125, 7198)]