689122980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42071}}^1$

素因数の和:42106

約数の個数: 144

約数和(自身を含む): 2572786944

約数和(自身を除く): 1883663964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 42071, 84142, 126213, 168284, 210355, 252426, 294497, 378639, 420710, 504852, 546923, 588994, 631065, 757278, 841420, 883491, 1093846, 1177988, 1262130, 1472485, 1514556, 1640769, 1766982, 1893195, 2187692, 2524260, 2650473, 2734615, 2944970, 3281538, 3533964, 3786390, 3828461, 4417455, 4922307, 5300946, 5469230, 5889940, 6563076, 7572780, 7656922, 8203845, 8834910, 9844614, 10601892, 10938460, 11485383, 13252365, 15313844, 16407690, 17669820, 19142305, 19689228, 22970766, 24611535, 26504730, 32815380, 34456149, 38284610, 45941532, 49223070, 53009460, 57426915, 68912298, 76569220, 98446140, 114853830, 137824596, 172280745, 229707660, 344561490, 689122980]

約数ペア:

[(1, 689122980), (2, 344561490), (3, 229707660), (4, 172280745), (5, 137824596), (6, 114853830), (7, 98446140), (9, 76569220), (10, 68912298), (12, 57426915), (13, 53009460), (14, 49223070), (15, 45941532), (18, 38284610), (20, 34456149), (21, 32815380), (26, 26504730), (28, 24611535), (30, 22970766), (35, 19689228), (36, 19142305), (39, 17669820), (42, 16407690), (45, 15313844), (52, 13252365), (60, 11485383), (63, 10938460), (65, 10601892), (70, 9844614), (78, 8834910), (84, 8203845), (90, 7656922), (91, 7572780), (105, 6563076), (117, 5889940), (126, 5469230), (130, 5300946), (140, 4922307), (156, 4417455), (180, 3828461), (182, 3786390), (195, 3533964), (210, 3281538), (234, 2944970), (252, 2734615), (260, 2650473), (273, 2524260), (315, 2187692), (364, 1893195), (390, 1766982), (420, 1640769), (455, 1514556), (468, 1472485), (546, 1262130), (585, 1177988), (630, 1093846), (780, 883491), (819, 841420), (910, 757278), (1092, 631065), (1170, 588994), (1260, 546923), (1365, 504852), (1638, 420710), (1820, 378639), (2340, 294497), (2730, 252426), (3276, 210355), (4095, 168284), (5460, 126213), (8190, 84142), (16380, 42071)]