72355240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 182476800

約数和(自身を除く): 110121560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 43, 46, 59, 62, 86, 92, 115, 118, 124, 155, 172, 184, 215, 230, 236, 248, 295, 310, 344, 430, 460, 472, 590, 620, 713, 860, 920, 989, 1180, 1240, 1333, 1357, 1426, 1720, 1829, 1978, 2360, 2537, 2666, 2714, 2852, 3565, 3658, 3956, 4945, 5074, 5332, 5428, 5704, 6665, 6785, 7130, 7316, 7912, 9145, 9890, 10148, 10664, 10856, 12685, 13330, 13570, 14260, 14632, 18290, 19780, 20296, 25370, 26660, 27140, 28520, 30659, 36580, 39560, 42067, 50740, 53320, 54280, 58351, 61318, 73160, 78647, 84134, 101480, 116702, 122636, 153295, 157294, 168268, 210335, 233404, 245272, 291755, 306590, 314588, 336536, 393235, 420670, 466808, 583510, 613180, 629176, 786470, 841340, 1167020, 1226360, 1572940, 1682680, 1808881, 2334040, 3145880, 3617762, 7235524, 9044405, 14471048, 18088810, 36177620, 72355240]

約数ペア:

[(1, 72355240), (2, 36177620), (4, 18088810), (5, 14471048), (8, 9044405), (10, 7235524), (20, 3617762), (23, 3145880), (31, 2334040), (40, 1808881), (43, 1682680), (46, 1572940), (59, 1226360), (62, 1167020), (86, 841340), (92, 786470), (115, 629176), (118, 613180), (124, 583510), (155, 466808), (172, 420670), (184, 393235), (215, 336536), (230, 314588), (236, 306590), (248, 291755), (295, 245272), (310, 233404), (344, 210335), (430, 168268), (460, 157294), (472, 153295), (590, 122636), (620, 116702), (713, 101480), (860, 84134), (920, 78647), (989, 73160), (1180, 61318), (1240, 58351), (1333, 54280), (1357, 53320), (1426, 50740), (1720, 42067), (1829, 39560), (1978, 36580), (2360, 30659), (2537, 28520), (2666, 27140), (2714, 26660), (2852, 25370), (3565, 20296), (3658, 19780), (3956, 18290), (4945, 14632), (5074, 14260), (5332, 13570), (5428, 13330), (5704, 12685), (6665, 10856), (6785, 10664), (7130, 10148), (7316, 9890), (7912, 9145)]