801040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 80

約数和(自身を含む): 2142720

約数和(自身を除く): 1341680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 80, 85, 95, 124, 136, 152, 155, 170, 190, 248, 272, 304, 310, 323, 340, 380, 496, 527, 589, 620, 646, 680, 760, 1054, 1178, 1240, 1292, 1360, 1520, 1615, 2108, 2356, 2480, 2584, 2635, 2945, 3230, 4216, 4712, 5168, 5270, 5890, 6460, 8432, 9424, 10013, 10540, 11780, 12920, 20026, 21080, 23560, 25840, 40052, 42160, 47120, 50065, 80104, 100130, 160208, 200260, 400520, 801040]

約数ペア:

[(1, 801040), (2, 400520), (4, 200260), (5, 160208), (8, 100130), (10, 80104), (16, 50065), (17, 47120), (19, 42160), (20, 40052), (31, 25840), (34, 23560), (38, 21080), (40, 20026), (62, 12920), (68, 11780), (76, 10540), (80, 10013), (85, 9424), (95, 8432), (124, 6460), (136, 5890), (152, 5270), (155, 5168), (170, 4712), (190, 4216), (248, 3230), (272, 2945), (304, 2635), (310, 2584), (323, 2480), (340, 2356), (380, 2108), (496, 1615), (527, 1520), (589, 1360), (620, 1292), (646, 1240), (680, 1178), (760, 1054)]