156988340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 361912320

約数和(自身を除く): 204923980

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 101, 109, 115, 124, 155, 202, 218, 230, 310, 404, 436, 460, 505, 545, 620, 713, 1010, 1090, 1426, 2020, 2180, 2323, 2507, 2852, 3131, 3379, 3565, 4646, 5014, 6262, 6758, 7130, 9292, 10028, 11009, 11615, 12524, 12535, 13516, 14260, 15655, 16895, 22018, 23230, 25070, 31310, 33790, 44036, 46460, 50140, 55045, 62620, 67580, 72013, 77717, 110090, 144026, 155434, 220180, 253207, 288052, 310868, 341279, 360065, 388585, 506414, 682558, 720130, 777170, 1012828, 1266035, 1365116, 1440260, 1554340, 1706395, 2532070, 3412790, 5064140, 6825580, 7849417, 15698834, 31397668, 39247085, 78494170, 156988340]

約数ペア:

[(1, 156988340), (2, 78494170), (4, 39247085), (5, 31397668), (10, 15698834), (20, 7849417), (23, 6825580), (31, 5064140), (46, 3412790), (62, 2532070), (92, 1706395), (101, 1554340), (109, 1440260), (115, 1365116), (124, 1266035), (155, 1012828), (202, 777170), (218, 720130), (230, 682558), (310, 506414), (404, 388585), (436, 360065), (460, 341279), (505, 310868), (545, 288052), (620, 253207), (713, 220180), (1010, 155434), (1090, 144026), (1426, 110090), (2020, 77717), (2180, 72013), (2323, 67580), (2507, 62620), (2852, 55045), (3131, 50140), (3379, 46460), (3565, 44036), (4646, 33790), (5014, 31310), (6262, 25070), (6758, 23230), (7130, 22018), (9292, 16895), (10028, 15655), (11009, 14260), (11615, 13516), (12524, 12535)]