72327720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 225815040

約数和(自身を除く): 153487320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 107, 120, 129, 131, 172, 214, 215, 258, 262, 321, 344, 393, 428, 430, 516, 524, 535, 642, 645, 655, 786, 856, 860, 1032, 1048, 1070, 1284, 1290, 1310, 1572, 1605, 1720, 1965, 2140, 2568, 2580, 2620, 3144, 3210, 3930, 4280, 4601, 5160, 5240, 5633, 6420, 7860, 9202, 11266, 12840, 13803, 14017, 15720, 16899, 18404, 22532, 23005, 27606, 28034, 28165, 33798, 36808, 42051, 45064, 46010, 55212, 56068, 56330, 67596, 69015, 70085, 84102, 84495, 92020, 110424, 112136, 112660, 135192, 138030, 140170, 168204, 168990, 184040, 210255, 225320, 276060, 280340, 336408, 337980, 420510, 552120, 560680, 602731, 675960, 841020, 1205462, 1682040, 1808193, 2410924, 3013655, 3616386, 4821848, 6027310, 7232772, 9040965, 12054620, 14465544, 18081930, 24109240, 36163860, 72327720]

約数ペア:

[(1, 72327720), (2, 36163860), (3, 24109240), (4, 18081930), (5, 14465544), (6, 12054620), (8, 9040965), (10, 7232772), (12, 6027310), (15, 4821848), (20, 3616386), (24, 3013655), (30, 2410924), (40, 1808193), (43, 1682040), (60, 1205462), (86, 841020), (107, 675960), (120, 602731), (129, 560680), (131, 552120), (172, 420510), (214, 337980), (215, 336408), (258, 280340), (262, 276060), (321, 225320), (344, 210255), (393, 184040), (428, 168990), (430, 168204), (516, 140170), (524, 138030), (535, 135192), (642, 112660), (645, 112136), (655, 110424), (786, 92020), (856, 84495), (860, 84102), (1032, 70085), (1048, 69015), (1070, 67596), (1284, 56330), (1290, 56068), (1310, 55212), (1572, 46010), (1605, 45064), (1720, 42051), (1965, 36808), (2140, 33798), (2568, 28165), (2580, 28034), (2620, 27606), (3144, 23005), (3210, 22532), (3930, 18404), (4280, 16899), (4601, 15720), (5160, 14017), (5240, 13803), (5633, 12840), (6420, 11266), (7860, 9202)]