220154625

素因数分解:

$3^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 438197760

約数和(自身を除く): 218043135

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 41, 43, 45, 75, 111, 123, 125, 129, 135, 185, 205, 215, 225, 333, 369, 375, 387, 555, 615, 645, 675, 925, 999, 1025, 1075, 1107, 1125, 1161, 1517, 1591, 1665, 1763, 1845, 1935, 2775, 3075, 3225, 3375, 4551, 4625, 4773, 4995, 5125, 5289, 5375, 5535, 5805, 7585, 7955, 8325, 8815, 9225, 9675, 13653, 13875, 14319, 15375, 15867, 16125, 22755, 23865, 24975, 26445, 27675, 29025, 37925, 39775, 40959, 41625, 42957, 44075, 46125, 47601, 48375, 65231, 68265, 71595, 79335, 113775, 119325, 124875, 132225, 138375, 145125, 189625, 195693, 198875, 204795, 214785, 220375, 238005, 326155, 341325, 357975, 396675, 568875, 587079, 596625, 661125, 978465, 1023975, 1073925, 1190025, 1630775, 1706625, 1761237, 1789875, 1983375, 2935395, 4892325, 5119875, 5369625, 5950125, 8153875, 8806185, 14676975, 24461625, 44030925, 73384875, 220154625]

約数ペア:

[(1, 220154625), (3, 73384875), (5, 44030925), (9, 24461625), (15, 14676975), (25, 8806185), (27, 8153875), (37, 5950125), (41, 5369625), (43, 5119875), (45, 4892325), (75, 2935395), (111, 1983375), (123, 1789875), (125, 1761237), (129, 1706625), (135, 1630775), (185, 1190025), (205, 1073925), (215, 1023975), (225, 978465), (333, 661125), (369, 596625), (375, 587079), (387, 568875), (555, 396675), (615, 357975), (645, 341325), (675, 326155), (925, 238005), (999, 220375), (1025, 214785), (1075, 204795), (1107, 198875), (1125, 195693), (1161, 189625), (1517, 145125), (1591, 138375), (1665, 132225), (1763, 124875), (1845, 119325), (1935, 113775), (2775, 79335), (3075, 71595), (3225, 68265), (3375, 65231), (4551, 48375), (4625, 47601), (4773, 46125), (4995, 44075), (5125, 42957), (5289, 41625), (5375, 40959), (5535, 39775), (5805, 37925), (7585, 29025), (7955, 27675), (8325, 26445), (8815, 24975), (9225, 23865), (9675, 22755), (13653, 16125), (13875, 15867), (14319, 15375)]