81870750

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 247351104

約数和(自身を除く): 165480354

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 125, 130, 135, 150, 162, 195, 225, 234, 250, 270, 311, 325, 351, 375, 390, 405, 450, 585, 622, 650, 675, 702, 750, 810, 933, 975, 1053, 1125, 1170, 1350, 1555, 1625, 1755, 1866, 1950, 2025, 2106, 2250, 2799, 2925, 3110, 3250, 3375, 3510, 4043, 4050, 4665, 4875, 5265, 5598, 5850, 6750, 7775, 8086, 8397, 8775, 9330, 9750, 10125, 10530, 12129, 13995, 14625, 15550, 16794, 17550, 20215, 20250, 23325, 24258, 25191, 26325, 27990, 29250, 36387, 38875, 40430, 41985, 43875, 46650, 50382, 52650, 60645, 69975, 72774, 77750, 83970, 87750, 101075, 109161, 116625, 121290, 125955, 131625, 139950, 181935, 202150, 209925, 218322, 233250, 251910, 263250, 303225, 327483, 349875, 363870, 419850, 505375, 545805, 606450, 629775, 654966, 699750, 909675, 1010750, 1049625, 1091610, 1259550, 1516125, 1637415, 1819350, 2099250, 2729025, 3032250, 3148875, 3274830, 4548375, 5458050, 6297750, 8187075, 9096750, 13645125, 16374150, 27290250, 40935375, 81870750]

約数ペア:

[(1, 81870750), (2, 40935375), (3, 27290250), (5, 16374150), (6, 13645125), (9, 9096750), (10, 8187075), (13, 6297750), (15, 5458050), (18, 4548375), (25, 3274830), (26, 3148875), (27, 3032250), (30, 2729025), (39, 2099250), (45, 1819350), (50, 1637415), (54, 1516125), (65, 1259550), (75, 1091610), (78, 1049625), (81, 1010750), (90, 909675), (117, 699750), (125, 654966), (130, 629775), (135, 606450), (150, 545805), (162, 505375), (195, 419850), (225, 363870), (234, 349875), (250, 327483), (270, 303225), (311, 263250), (325, 251910), (351, 233250), (375, 218322), (390, 209925), (405, 202150), (450, 181935), (585, 139950), (622, 131625), (650, 125955), (675, 121290), (702, 116625), (750, 109161), (810, 101075), (933, 87750), (975, 83970), (1053, 77750), (1125, 72774), (1170, 69975), (1350, 60645), (1555, 52650), (1625, 50382), (1755, 46650), (1866, 43875), (1950, 41985), (2025, 40430), (2106, 38875), (2250, 36387), (2799, 29250), (2925, 27990), (3110, 26325), (3250, 25191), (3375, 24258), (3510, 23325), (4043, 20250), (4050, 20215), (4665, 17550), (4875, 16794), (5265, 15550), (5598, 14625), (5850, 13995), (6750, 12129), (7775, 10530), (8086, 10125), (8397, 9750), (8775, 9330)]