64789380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:746

約数の個数: 144

約数和(自身を含む): 215115264

約数和(自身を除く): 150325884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 683, 765, 930, 1020, 1054, 1116, 1366, 1395, 1530, 1581, 1860, 2049, 2108, 2635, 2732, 2790, 3060, 3162, 3415, 4098, 4743, 5270, 5580, 6147, 6324, 6830, 7905, 8196, 9486, 10245, 10540, 11611, 12294, 13660, 15810, 18972, 20490, 21173, 23222, 23715, 24588, 30735, 31620, 34833, 40980, 42346, 46444, 47430, 58055, 61470, 63519, 69666, 84692, 94860, 104499, 105865, 116110, 122940, 127038, 139332, 174165, 190557, 208998, 211730, 232220, 254076, 317595, 348330, 359941, 381114, 417996, 423460, 522495, 635190, 696660, 719882, 762228, 952785, 1044990, 1079823, 1270380, 1439764, 1799705, 1905570, 2089980, 2159646, 3239469, 3599410, 3811140, 4319292, 5399115, 6478938, 7198820, 10798230, 12957876, 16197345, 21596460, 32394690, 64789380]

約数ペア:

[(1, 64789380), (2, 32394690), (3, 21596460), (4, 16197345), (5, 12957876), (6, 10798230), (9, 7198820), (10, 6478938), (12, 5399115), (15, 4319292), (17, 3811140), (18, 3599410), (20, 3239469), (30, 2159646), (31, 2089980), (34, 1905570), (36, 1799705), (45, 1439764), (51, 1270380), (60, 1079823), (62, 1044990), (68, 952785), (85, 762228), (90, 719882), (93, 696660), (102, 635190), (124, 522495), (153, 423460), (155, 417996), (170, 381114), (180, 359941), (186, 348330), (204, 317595), (255, 254076), (279, 232220), (306, 211730), (310, 208998), (340, 190557), (372, 174165), (465, 139332), (510, 127038), (527, 122940), (558, 116110), (612, 105865), (620, 104499), (683, 94860), (765, 84692), (930, 69666), (1020, 63519), (1054, 61470), (1116, 58055), (1366, 47430), (1395, 46444), (1530, 42346), (1581, 40980), (1860, 34833), (2049, 31620), (2108, 30735), (2635, 24588), (2732, 23715), (2790, 23222), (3060, 21173), (3162, 20490), (3415, 18972), (4098, 15810), (4743, 13660), (5270, 12294), (5580, 11611), (6147, 10540), (6324, 10245), (6830, 9486), (7905, 8196)]