127921560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:1977

約数の個数: 128

約数和(自身を含む): 423118080

約数和(自身を除く): 295196520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 1907, 2236, 2580, 2795, 3354, 3814, 4472, 5160, 5590, 5721, 6708, 7628, 8385, 9535, 11180, 11442, 13416, 15256, 16770, 19070, 22360, 22884, 24791, 28605, 33540, 38140, 45768, 49582, 57210, 67080, 74373, 76280, 82001, 99164, 114420, 123955, 148746, 164002, 198328, 228840, 246003, 247910, 297492, 328004, 371865, 410005, 492006, 495820, 594984, 656008, 743730, 820010, 984012, 991640, 1066013, 1230015, 1487460, 1640020, 1968024, 2132026, 2460030, 2974920, 3198039, 3280040, 4264052, 4920060, 5330065, 6396078, 8528104, 9840120, 10660130, 12792156, 15990195, 21320260, 25584312, 31980390, 42640520, 63960780, 127921560]

約数ペア:

[(1, 127921560), (2, 63960780), (3, 42640520), (4, 31980390), (5, 25584312), (6, 21320260), (8, 15990195), (10, 12792156), (12, 10660130), (13, 9840120), (15, 8528104), (20, 6396078), (24, 5330065), (26, 4920060), (30, 4264052), (39, 3280040), (40, 3198039), (43, 2974920), (52, 2460030), (60, 2132026), (65, 1968024), (78, 1640020), (86, 1487460), (104, 1230015), (120, 1066013), (129, 991640), (130, 984012), (156, 820010), (172, 743730), (195, 656008), (215, 594984), (258, 495820), (260, 492006), (312, 410005), (344, 371865), (390, 328004), (430, 297492), (516, 247910), (520, 246003), (559, 228840), (645, 198328), (780, 164002), (860, 148746), (1032, 123955), (1118, 114420), (1290, 99164), (1560, 82001), (1677, 76280), (1720, 74373), (1907, 67080), (2236, 57210), (2580, 49582), (2795, 45768), (3354, 38140), (3814, 33540), (4472, 28605), (5160, 24791), (5590, 22884), (5721, 22360), (6708, 19070), (7628, 16770), (8385, 15256), (9535, 13416), (11180, 11442)]