128456370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 192

約数和(自身を含む): 404352000

約数和(自身を除く): 275895630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 58, 63, 70, 79, 87, 89, 90, 105, 126, 145, 158, 174, 178, 203, 210, 237, 261, 267, 290, 315, 395, 406, 435, 445, 474, 522, 534, 553, 609, 623, 630, 711, 790, 801, 870, 890, 1015, 1106, 1185, 1218, 1246, 1305, 1335, 1422, 1602, 1659, 1827, 1869, 2030, 2291, 2370, 2581, 2610, 2670, 2765, 3045, 3115, 3318, 3555, 3654, 3738, 4005, 4582, 4977, 5162, 5530, 5607, 6090, 6230, 6873, 7031, 7110, 7743, 8010, 8295, 9135, 9345, 9954, 11214, 11455, 12905, 13746, 14062, 15486, 16037, 16590, 18067, 18270, 18690, 20619, 21093, 22910, 23229, 24885, 25810, 28035, 32074, 34365, 35155, 36134, 38715, 41238, 42186, 46458, 48111, 49217, 49770, 54201, 56070, 63279, 68730, 70310, 77430, 80185, 90335, 96222, 98434, 103095, 105465, 108402, 116145, 126558, 144333, 147651, 160370, 162603, 180670, 203899, 206190, 210930, 232290, 240555, 246085, 271005, 288666, 295302, 316395, 325206, 407798, 442953, 481110, 492170, 542010, 611697, 632790, 721665, 738255, 813015, 885906, 1019495, 1223394, 1427293, 1443330, 1476510, 1626030, 1835091, 2038990, 2214765, 2854586, 3058485, 3670182, 4281879, 4429530, 6116970, 7136465, 8563758, 9175455, 12845637, 14272930, 18350910, 21409395, 25691274, 42818790, 64228185, 128456370]

約数ペア:

[(1, 128456370), (2, 64228185), (3, 42818790), (5, 25691274), (6, 21409395), (7, 18350910), (9, 14272930), (10, 12845637), (14, 9175455), (15, 8563758), (18, 7136465), (21, 6116970), (29, 4429530), (30, 4281879), (35, 3670182), (42, 3058485), (45, 2854586), (58, 2214765), (63, 2038990), (70, 1835091), (79, 1626030), (87, 1476510), (89, 1443330), (90, 1427293), (105, 1223394), (126, 1019495), (145, 885906), (158, 813015), (174, 738255), (178, 721665), (203, 632790), (210, 611697), (237, 542010), (261, 492170), (267, 481110), (290, 442953), (315, 407798), (395, 325206), (406, 316395), (435, 295302), (445, 288666), (474, 271005), (522, 246085), (534, 240555), (553, 232290), (609, 210930), (623, 206190), (630, 203899), (711, 180670), (790, 162603), (801, 160370), (870, 147651), (890, 144333), (1015, 126558), (1106, 116145), (1185, 108402), (1218, 105465), (1246, 103095), (1305, 98434), (1335, 96222), (1422, 90335), (1602, 80185), (1659, 77430), (1827, 70310), (1869, 68730), (2030, 63279), (2291, 56070), (2370, 54201), (2581, 49770), (2610, 49217), (2670, 48111), (2765, 46458), (3045, 42186), (3115, 41238), (3318, 38715), (3555, 36134), (3654, 35155), (3738, 34365), (4005, 32074), (4582, 28035), (4977, 25810), (5162, 24885), (5530, 23229), (5607, 22910), (6090, 21093), (6230, 20619), (6873, 18690), (7031, 18270), (7110, 18067), (7743, 16590), (8010, 16037), (8295, 15486), (9135, 14062), (9345, 13746), (9954, 12905), (11214, 11455)]