780216840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:1005

約数の個数: 256

約数和(自身を含む): 2849817600

約数和(自身を除く): 2069600760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 61, 65, 72, 78, 90, 104, 108, 117, 120, 122, 130, 135, 156, 180, 183, 195, 216, 234, 244, 260, 270, 305, 312, 351, 360, 366, 390, 468, 488, 520, 540, 549, 585, 610, 702, 732, 780, 793, 911, 915, 936, 1080, 1098, 1170, 1220, 1404, 1464, 1560, 1586, 1647, 1755, 1822, 1830, 2196, 2340, 2379, 2440, 2733, 2745, 2808, 3172, 3294, 3510, 3644, 3660, 3965, 4392, 4555, 4680, 4758, 5466, 5490, 6344, 6588, 7020, 7137, 7288, 7320, 7930, 8199, 8235, 9110, 9516, 10932, 10980, 11843, 11895, 13176, 13665, 14040, 14274, 15860, 16398, 16470, 18220, 19032, 21411, 21864, 21960, 23686, 23790, 24597, 27330, 28548, 31720, 32796, 32940, 35529, 35685, 36440, 40995, 42822, 47372, 47580, 49194, 54660, 55571, 57096, 59215, 65592, 65880, 71058, 71370, 81990, 85644, 94744, 95160, 98388, 106587, 107055, 109320, 111142, 118430, 122985, 142116, 142740, 163980, 166713, 171288, 177645, 196776, 213174, 214110, 222284, 236860, 245970, 277855, 284232, 285480, 319761, 327960, 333426, 355290, 426348, 428220, 444568, 473720, 491940, 500139, 532935, 555710, 639522, 666852, 710580, 722423, 833565, 852696, 856440, 983880, 1000278, 1065870, 1111420, 1279044, 1333704, 1421160, 1444846, 1500417, 1598805, 1667130, 2000556, 2131740, 2167269, 2222840, 2500695, 2558088, 2889692, 3000834, 3197610, 3334260, 3612115, 4001112, 4263480, 4334538, 5001390, 5779384, 6001668, 6395220, 6501807, 6668520, 7224230, 7502085, 8669076, 10002780, 10836345, 12003336, 12790440, 13003614, 14448460, 15004170, 17338152, 19505421, 20005560, 21672690, 26007228, 28896920, 30008340, 32509035, 39010842, 43345380, 52014456, 60016680, 65018070, 78021684, 86690760, 97527105, 130036140, 156043368, 195054210, 260072280, 390108420, 780216840]

約数ペア:

[(1, 780216840), (2, 390108420), (3, 260072280), (4, 195054210), (5, 156043368), (6, 130036140), (8, 97527105), (9, 86690760), (10, 78021684), (12, 65018070), (13, 60016680), (15, 52014456), (18, 43345380), (20, 39010842), (24, 32509035), (26, 30008340), (27, 28896920), (30, 26007228), (36, 21672690), (39, 20005560), (40, 19505421), (45, 17338152), (52, 15004170), (54, 14448460), (60, 13003614), (61, 12790440), (65, 12003336), (72, 10836345), (78, 10002780), (90, 8669076), (104, 7502085), (108, 7224230), (117, 6668520), (120, 6501807), (122, 6395220), (130, 6001668), (135, 5779384), (156, 5001390), (180, 4334538), (183, 4263480), (195, 4001112), (216, 3612115), (234, 3334260), (244, 3197610), (260, 3000834), (270, 2889692), (305, 2558088), (312, 2500695), (351, 2222840), (360, 2167269), (366, 2131740), (390, 2000556), (468, 1667130), (488, 1598805), (520, 1500417), (540, 1444846), (549, 1421160), (585, 1333704), (610, 1279044), (702, 1111420), (732, 1065870), (780, 1000278), (793, 983880), (911, 856440), (915, 852696), (936, 833565), (1080, 722423), (1098, 710580), (1170, 666852), (1220, 639522), (1404, 555710), (1464, 532935), (1560, 500139), (1586, 491940), (1647, 473720), (1755, 444568), (1822, 428220), (1830, 426348), (2196, 355290), (2340, 333426), (2379, 327960), (2440, 319761), (2733, 285480), (2745, 284232), (2808, 277855), (3172, 245970), (3294, 236860), (3510, 222284), (3644, 214110), (3660, 213174), (3965, 196776), (4392, 177645), (4555, 171288), (4680, 166713), (4758, 163980), (5466, 142740), (5490, 142116), (6344, 122985), (6588, 118430), (7020, 111142), (7137, 109320), (7288, 107055), (7320, 106587), (7930, 98388), (8199, 95160), (8235, 94744), (9110, 85644), (9516, 81990), (10932, 71370), (10980, 71058), (11843, 65880), (11895, 65592), (13176, 59215), (13665, 57096), (14040, 55571), (14274, 54660), (15860, 49194), (16398, 47580), (16470, 47372), (18220, 42822), (19032, 40995), (21411, 36440), (21864, 35685), (21960, 35529), (23686, 32940), (23790, 32796), (24597, 31720), (27330, 28548)]