180831980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 458680320

約数和(自身を除く): 277848340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 230, 322, 356, 445, 460, 623, 631, 644, 805, 890, 1246, 1262, 1610, 1780, 2047, 2492, 2524, 3115, 3155, 3220, 4094, 4417, 6230, 6310, 8188, 8834, 10235, 12460, 12620, 14329, 14513, 17668, 20470, 22085, 28658, 29026, 40940, 44170, 56159, 57316, 58052, 71645, 72565, 88340, 101591, 112318, 143290, 145130, 203182, 224636, 280795, 286580, 290260, 393113, 406364, 507955, 561590, 786226, 1015910, 1123180, 1291657, 1572452, 1965565, 2031820, 2583314, 3931130, 5166628, 6458285, 7862260, 9041599, 12916570, 18083198, 25833140, 36166396, 45207995, 90415990, 180831980]

約数ペア:

[(1, 180831980), (2, 90415990), (4, 45207995), (5, 36166396), (7, 25833140), (10, 18083198), (14, 12916570), (20, 9041599), (23, 7862260), (28, 6458285), (35, 5166628), (46, 3931130), (70, 2583314), (89, 2031820), (92, 1965565), (115, 1572452), (140, 1291657), (161, 1123180), (178, 1015910), (230, 786226), (322, 561590), (356, 507955), (445, 406364), (460, 393113), (623, 290260), (631, 286580), (644, 280795), (805, 224636), (890, 203182), (1246, 145130), (1262, 143290), (1610, 112318), (1780, 101591), (2047, 88340), (2492, 72565), (2524, 71645), (3115, 58052), (3155, 57316), (3220, 56159), (4094, 44170), (4417, 40940), (6230, 29026), (6310, 28658), (8188, 22085), (8834, 20470), (10235, 17668), (12460, 14513), (12620, 14329)]