72967440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 281017728

約数和(自身を除く): 208050288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 169, 182, 195, 208, 210, 240, 257, 260, 273, 280, 312, 336, 338, 364, 390, 420, 455, 507, 514, 520, 546, 560, 624, 676, 728, 771, 780, 840, 845, 910, 1014, 1028, 1040, 1092, 1183, 1285, 1352, 1365, 1456, 1542, 1560, 1680, 1690, 1799, 1820, 2028, 2056, 2184, 2366, 2535, 2570, 2704, 2730, 3084, 3120, 3341, 3380, 3549, 3598, 3640, 3855, 4056, 4112, 4368, 4732, 5070, 5140, 5397, 5460, 5915, 6168, 6682, 6760, 7098, 7196, 7280, 7710, 8112, 8995, 9464, 10023, 10140, 10280, 10794, 10920, 11830, 12336, 13364, 13520, 14196, 14392, 15420, 16705, 17745, 17990, 18928, 20046, 20280, 20560, 21588, 21840, 23387, 23660, 26728, 26985, 28392, 28784, 30840, 33410, 35490, 35980, 40092, 40560, 43176, 43433, 46774, 47320, 50115, 53456, 53970, 56784, 61680, 66820, 70161, 70980, 71960, 80184, 86352, 86866, 93548, 94640, 100230, 107940, 116935, 130299, 133640, 140322, 141960, 143920, 160368, 173732, 187096, 200460, 215880, 217165, 233870, 260598, 267280, 280644, 283920, 304031, 347464, 350805, 374192, 400920, 431760, 434330, 467740, 521196, 561288, 608062, 651495, 694928, 701610, 801840, 868660, 912093, 935480, 1042392, 1122576, 1216124, 1302990, 1403220, 1520155, 1737320, 1824186, 1870960, 2084784, 2432248, 2605980, 2806440, 3040310, 3474640, 3648372, 4560465, 4864496, 5211960, 5612880, 6080620, 7296744, 9120930, 10423920, 12161240, 14593488, 18241860, 24322480, 36483720, 72967440]

約数ペア:

[(1, 72967440), (2, 36483720), (3, 24322480), (4, 18241860), (5, 14593488), (6, 12161240), (7, 10423920), (8, 9120930), (10, 7296744), (12, 6080620), (13, 5612880), (14, 5211960), (15, 4864496), (16, 4560465), (20, 3648372), (21, 3474640), (24, 3040310), (26, 2806440), (28, 2605980), (30, 2432248), (35, 2084784), (39, 1870960), (40, 1824186), (42, 1737320), (48, 1520155), (52, 1403220), (56, 1302990), (60, 1216124), (65, 1122576), (70, 1042392), (78, 935480), (80, 912093), (84, 868660), (91, 801840), (104, 701610), (105, 694928), (112, 651495), (120, 608062), (130, 561288), (140, 521196), (156, 467740), (168, 434330), (169, 431760), (182, 400920), (195, 374192), (208, 350805), (210, 347464), (240, 304031), (257, 283920), (260, 280644), (273, 267280), (280, 260598), (312, 233870), (336, 217165), (338, 215880), (364, 200460), (390, 187096), (420, 173732), (455, 160368), (507, 143920), (514, 141960), (520, 140322), (546, 133640), (560, 130299), (624, 116935), (676, 107940), (728, 100230), (771, 94640), (780, 93548), (840, 86866), (845, 86352), (910, 80184), (1014, 71960), (1028, 70980), (1040, 70161), (1092, 66820), (1183, 61680), (1285, 56784), (1352, 53970), (1365, 53456), (1456, 50115), (1542, 47320), (1560, 46774), (1680, 43433), (1690, 43176), (1799, 40560), (1820, 40092), (2028, 35980), (2056, 35490), (2184, 33410), (2366, 30840), (2535, 28784), (2570, 28392), (2704, 26985), (2730, 26728), (3084, 23660), (3120, 23387), (3341, 21840), (3380, 21588), (3549, 20560), (3598, 20280), (3640, 20046), (3855, 18928), (4056, 17990), (4112, 17745), (4368, 16705), (4732, 15420), (5070, 14392), (5140, 14196), (5397, 13520), (5460, 13364), (5915, 12336), (6168, 11830), (6682, 10920), (6760, 10794), (7098, 10280), (7196, 10140), (7280, 10023), (7710, 9464), (8112, 8995)]