128183140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 296110080

約数和(自身を除く): 167926940

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 89, 92, 101, 115, 124, 155, 178, 202, 230, 310, 356, 404, 445, 460, 505, 620, 713, 890, 1010, 1426, 1780, 2020, 2047, 2323, 2759, 2852, 3131, 3565, 4094, 4646, 5518, 6262, 7130, 8188, 8989, 9292, 10235, 11036, 11615, 12524, 13795, 14260, 15655, 17978, 20470, 23230, 27590, 31310, 35956, 40940, 44945, 46460, 55180, 62620, 63457, 72013, 89890, 126914, 144026, 179780, 206747, 253828, 278659, 288052, 317285, 360065, 413494, 557318, 634570, 720130, 826988, 1033735, 1114636, 1269140, 1393295, 1440260, 2067470, 2786590, 4134940, 5573180, 6409157, 12818314, 25636628, 32045785, 64091570, 128183140]

約数ペア:

[(1, 128183140), (2, 64091570), (4, 32045785), (5, 25636628), (10, 12818314), (20, 6409157), (23, 5573180), (31, 4134940), (46, 2786590), (62, 2067470), (89, 1440260), (92, 1393295), (101, 1269140), (115, 1114636), (124, 1033735), (155, 826988), (178, 720130), (202, 634570), (230, 557318), (310, 413494), (356, 360065), (404, 317285), (445, 288052), (460, 278659), (505, 253828), (620, 206747), (713, 179780), (890, 144026), (1010, 126914), (1426, 89890), (1780, 72013), (2020, 63457), (2047, 62620), (2323, 55180), (2759, 46460), (2852, 44945), (3131, 40940), (3565, 35956), (4094, 31310), (4646, 27590), (5518, 23230), (6262, 20470), (7130, 17978), (8188, 15655), (8989, 14260), (9292, 13795), (10235, 12524), (11036, 11615)]