78644250

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 222842880

約数和(自身を除く): 144198630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 61, 75, 90, 122, 125, 135, 150, 183, 191, 225, 250, 270, 305, 366, 375, 382, 450, 549, 573, 610, 675, 750, 915, 955, 1098, 1125, 1146, 1350, 1525, 1647, 1719, 1830, 1910, 2250, 2745, 2865, 3050, 3294, 3375, 3438, 4575, 4775, 5157, 5490, 5730, 6750, 7625, 8235, 8595, 9150, 9550, 10314, 11651, 13725, 14325, 15250, 16470, 17190, 22875, 23302, 23875, 25785, 27450, 28650, 34953, 41175, 42975, 45750, 47750, 51570, 58255, 68625, 69906, 71625, 82350, 85950, 104859, 116510, 128925, 137250, 143250, 174765, 205875, 209718, 214875, 257850, 291275, 314577, 349530, 411750, 429750, 524295, 582550, 629154, 644625, 873825, 1048590, 1289250, 1456375, 1572885, 1747650, 2621475, 2912750, 3145770, 4369125, 5242950, 7864425, 8738250, 13107375, 15728850, 26214750, 39322125, 78644250]

約数ペア:

[(1, 78644250), (2, 39322125), (3, 26214750), (5, 15728850), (6, 13107375), (9, 8738250), (10, 7864425), (15, 5242950), (18, 4369125), (25, 3145770), (27, 2912750), (30, 2621475), (45, 1747650), (50, 1572885), (54, 1456375), (61, 1289250), (75, 1048590), (90, 873825), (122, 644625), (125, 629154), (135, 582550), (150, 524295), (183, 429750), (191, 411750), (225, 349530), (250, 314577), (270, 291275), (305, 257850), (366, 214875), (375, 209718), (382, 205875), (450, 174765), (549, 143250), (573, 137250), (610, 128925), (675, 116510), (750, 104859), (915, 85950), (955, 82350), (1098, 71625), (1125, 69906), (1146, 68625), (1350, 58255), (1525, 51570), (1647, 47750), (1719, 45750), (1830, 42975), (1910, 41175), (2250, 34953), (2745, 28650), (2865, 27450), (3050, 25785), (3294, 23875), (3375, 23302), (3438, 22875), (4575, 17190), (4775, 16470), (5157, 15250), (5490, 14325), (5730, 13725), (6750, 11651), (7625, 10314), (8235, 9550), (8595, 9150)]