72151380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 252330624

約数和(自身を除く): 180179244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 173, 180, 210, 252, 315, 331, 346, 420, 519, 630, 662, 692, 865, 993, 1038, 1211, 1260, 1324, 1557, 1655, 1730, 1986, 2076, 2317, 2422, 2595, 2979, 3114, 3310, 3460, 3633, 3972, 4634, 4844, 4965, 5190, 5958, 6055, 6228, 6620, 6951, 7266, 7785, 9268, 9930, 10380, 10899, 11585, 11916, 12110, 13902, 14532, 14895, 15570, 18165, 19860, 20853, 21798, 23170, 24220, 27804, 29790, 31140, 34755, 36330, 41706, 43596, 46340, 54495, 57263, 59580, 69510, 72660, 83412, 104265, 108990, 114526, 139020, 171789, 208530, 217980, 229052, 286315, 343578, 400841, 417060, 515367, 572630, 687156, 801682, 858945, 1030734, 1145260, 1202523, 1603364, 1717890, 2004205, 2061468, 2405046, 2576835, 3435780, 3607569, 4008410, 4810092, 5153670, 6012615, 7215138, 8016820, 10307340, 12025230, 14430276, 18037845, 24050460, 36075690, 72151380]

約数ペア:

[(1, 72151380), (2, 36075690), (3, 24050460), (4, 18037845), (5, 14430276), (6, 12025230), (7, 10307340), (9, 8016820), (10, 7215138), (12, 6012615), (14, 5153670), (15, 4810092), (18, 4008410), (20, 3607569), (21, 3435780), (28, 2576835), (30, 2405046), (35, 2061468), (36, 2004205), (42, 1717890), (45, 1603364), (60, 1202523), (63, 1145260), (70, 1030734), (84, 858945), (90, 801682), (105, 687156), (126, 572630), (140, 515367), (173, 417060), (180, 400841), (210, 343578), (252, 286315), (315, 229052), (331, 217980), (346, 208530), (420, 171789), (519, 139020), (630, 114526), (662, 108990), (692, 104265), (865, 83412), (993, 72660), (1038, 69510), (1211, 59580), (1260, 57263), (1324, 54495), (1557, 46340), (1655, 43596), (1730, 41706), (1986, 36330), (2076, 34755), (2317, 31140), (2422, 29790), (2595, 27804), (2979, 24220), (3114, 23170), (3310, 21798), (3460, 20853), (3633, 19860), (3972, 18165), (4634, 15570), (4844, 14895), (4965, 14532), (5190, 13902), (5958, 12110), (6055, 11916), (6228, 11585), (6620, 10899), (6951, 10380), (7266, 9930), (7785, 9268)]