78184920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1057

約数の個数: 128

約数和(自身を含む): 260340480

約数和(自身を除く): 182155560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 366, 440, 488, 610, 660, 671, 732, 915, 971, 1220, 1320, 1342, 1464, 1830, 1942, 2013, 2440, 2684, 2913, 3355, 3660, 3884, 4026, 4855, 5368, 5826, 6710, 7320, 7768, 8052, 9710, 10065, 10681, 11652, 13420, 14565, 16104, 19420, 20130, 21362, 23304, 26840, 29130, 32043, 38840, 40260, 42724, 53405, 58260, 59231, 64086, 80520, 85448, 106810, 116520, 118462, 128172, 160215, 177693, 213620, 236924, 256344, 296155, 320430, 355386, 427240, 473848, 592310, 640860, 651541, 710772, 888465, 1184620, 1281720, 1303082, 1421544, 1776930, 1954623, 2369240, 2606164, 3257705, 3553860, 3909246, 5212328, 6515410, 7107720, 7818492, 9773115, 13030820, 15636984, 19546230, 26061640, 39092460, 78184920]

約数ペア:

[(1, 78184920), (2, 39092460), (3, 26061640), (4, 19546230), (5, 15636984), (6, 13030820), (8, 9773115), (10, 7818492), (11, 7107720), (12, 6515410), (15, 5212328), (20, 3909246), (22, 3553860), (24, 3257705), (30, 2606164), (33, 2369240), (40, 1954623), (44, 1776930), (55, 1421544), (60, 1303082), (61, 1281720), (66, 1184620), (88, 888465), (110, 710772), (120, 651541), (122, 640860), (132, 592310), (165, 473848), (183, 427240), (220, 355386), (244, 320430), (264, 296155), (305, 256344), (330, 236924), (366, 213620), (440, 177693), (488, 160215), (610, 128172), (660, 118462), (671, 116520), (732, 106810), (915, 85448), (971, 80520), (1220, 64086), (1320, 59231), (1342, 58260), (1464, 53405), (1830, 42724), (1942, 40260), (2013, 38840), (2440, 32043), (2684, 29130), (2913, 26840), (3355, 23304), (3660, 21362), (3884, 20130), (4026, 19420), (4855, 16104), (5368, 14565), (5826, 13420), (6710, 11652), (7320, 10681), (7768, 10065), (8052, 9710)]