215645220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:755

約数の個数: 192

約数和(自身を含む): 776563200

約数和(自身を除く): 560917980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 89, 90, 105, 108, 126, 135, 140, 178, 180, 189, 210, 252, 267, 270, 315, 356, 378, 420, 445, 534, 540, 623, 630, 641, 756, 801, 890, 945, 1068, 1246, 1260, 1282, 1335, 1602, 1780, 1869, 1890, 1923, 2403, 2492, 2564, 2670, 3115, 3204, 3205, 3738, 3780, 3846, 4005, 4487, 4806, 5340, 5607, 5769, 6230, 6410, 7476, 7692, 8010, 8974, 9345, 9612, 9615, 11214, 11538, 12015, 12460, 12820, 13461, 16020, 16821, 17307, 17948, 18690, 19230, 22428, 22435, 23076, 24030, 26922, 28035, 28845, 33642, 34614, 37380, 38460, 40383, 44870, 48060, 53844, 56070, 57049, 57690, 67284, 67305, 69228, 80766, 84105, 86535, 89740, 112140, 114098, 115380, 121149, 134610, 161532, 168210, 171147, 173070, 201915, 228196, 242298, 269220, 285245, 336420, 342294, 346140, 399343, 403830, 484596, 513441, 570490, 605745, 684588, 798686, 807660, 855735, 1026882, 1140980, 1198029, 1211490, 1540323, 1597372, 1711470, 1996715, 2053764, 2396058, 2422980, 2567205, 3080646, 3422940, 3594087, 3993430, 4792116, 5134410, 5990145, 6161292, 7188174, 7701615, 7986860, 10268820, 10782261, 11980290, 14376348, 15403230, 17970435, 21564522, 23960580, 30806460, 35940870, 43129044, 53911305, 71881740, 107822610, 215645220]

約数ペア:

[(1, 215645220), (2, 107822610), (3, 71881740), (4, 53911305), (5, 43129044), (6, 35940870), (7, 30806460), (9, 23960580), (10, 21564522), (12, 17970435), (14, 15403230), (15, 14376348), (18, 11980290), (20, 10782261), (21, 10268820), (27, 7986860), (28, 7701615), (30, 7188174), (35, 6161292), (36, 5990145), (42, 5134410), (45, 4792116), (54, 3993430), (60, 3594087), (63, 3422940), (70, 3080646), (84, 2567205), (89, 2422980), (90, 2396058), (105, 2053764), (108, 1996715), (126, 1711470), (135, 1597372), (140, 1540323), (178, 1211490), (180, 1198029), (189, 1140980), (210, 1026882), (252, 855735), (267, 807660), (270, 798686), (315, 684588), (356, 605745), (378, 570490), (420, 513441), (445, 484596), (534, 403830), (540, 399343), (623, 346140), (630, 342294), (641, 336420), (756, 285245), (801, 269220), (890, 242298), (945, 228196), (1068, 201915), (1246, 173070), (1260, 171147), (1282, 168210), (1335, 161532), (1602, 134610), (1780, 121149), (1869, 115380), (1890, 114098), (1923, 112140), (2403, 89740), (2492, 86535), (2564, 84105), (2670, 80766), (3115, 69228), (3204, 67305), (3205, 67284), (3738, 57690), (3780, 57049), (3846, 56070), (4005, 53844), (4487, 48060), (4806, 44870), (5340, 40383), (5607, 38460), (5769, 37380), (6230, 34614), (6410, 33642), (7476, 28845), (7692, 28035), (8010, 26922), (8974, 24030), (9345, 23076), (9612, 22435), (9615, 22428), (11214, 19230), (11538, 18690), (12015, 17948), (12460, 17307), (12820, 16821), (13461, 16020)]