400955880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1163}}^1$

素因数の和:1220

約数の個数: 192

約数和(自身を含む): 1380317760

約数和(自身を除く): 979361880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 169, 170, 195, 204, 221, 255, 260, 312, 338, 340, 390, 408, 442, 507, 510, 520, 663, 676, 680, 780, 845, 884, 1014, 1020, 1105, 1163, 1326, 1352, 1560, 1690, 1768, 2028, 2040, 2210, 2326, 2535, 2652, 2873, 3315, 3380, 3489, 4056, 4420, 4652, 5070, 5304, 5746, 5815, 6630, 6760, 6978, 8619, 8840, 9304, 10140, 11492, 11630, 13260, 13956, 14365, 15119, 17238, 17445, 19771, 20280, 22984, 23260, 26520, 27912, 28730, 30238, 34476, 34890, 39542, 43095, 45357, 46520, 57460, 59313, 60476, 68952, 69780, 75595, 79084, 86190, 90714, 98855, 114920, 118626, 120952, 139560, 151190, 158168, 172380, 181428, 196547, 197710, 226785, 237252, 257023, 296565, 302380, 344760, 362856, 393094, 395420, 453570, 474504, 514046, 589641, 593130, 604760, 771069, 786188, 790840, 907140, 982735, 1028092, 1179282, 1186260, 1285115, 1542138, 1572376, 1814280, 1965470, 2056184, 2358564, 2372520, 2570230, 2948205, 3084276, 3341299, 3855345, 3930940, 4717128, 5140460, 5896410, 6168552, 6682598, 7710690, 7861880, 10023897, 10280920, 11792820, 13365196, 15421380, 16706495, 20047794, 23585640, 26730392, 30842760, 33412990, 40095588, 50119485, 66825980, 80191176, 100238970, 133651960, 200477940, 400955880]

約数ペア:

[(1, 400955880), (2, 200477940), (3, 133651960), (4, 100238970), (5, 80191176), (6, 66825980), (8, 50119485), (10, 40095588), (12, 33412990), (13, 30842760), (15, 26730392), (17, 23585640), (20, 20047794), (24, 16706495), (26, 15421380), (30, 13365196), (34, 11792820), (39, 10280920), (40, 10023897), (51, 7861880), (52, 7710690), (60, 6682598), (65, 6168552), (68, 5896410), (78, 5140460), (85, 4717128), (102, 3930940), (104, 3855345), (120, 3341299), (130, 3084276), (136, 2948205), (156, 2570230), (169, 2372520), (170, 2358564), (195, 2056184), (204, 1965470), (221, 1814280), (255, 1572376), (260, 1542138), (312, 1285115), (338, 1186260), (340, 1179282), (390, 1028092), (408, 982735), (442, 907140), (507, 790840), (510, 786188), (520, 771069), (663, 604760), (676, 593130), (680, 589641), (780, 514046), (845, 474504), (884, 453570), (1014, 395420), (1020, 393094), (1105, 362856), (1163, 344760), (1326, 302380), (1352, 296565), (1560, 257023), (1690, 237252), (1768, 226785), (2028, 197710), (2040, 196547), (2210, 181428), (2326, 172380), (2535, 158168), (2652, 151190), (2873, 139560), (3315, 120952), (3380, 118626), (3489, 114920), (4056, 98855), (4420, 90714), (4652, 86190), (5070, 79084), (5304, 75595), (5746, 69780), (5815, 68952), (6630, 60476), (6760, 59313), (6978, 57460), (8619, 46520), (8840, 45357), (9304, 43095), (10140, 39542), (11492, 34890), (11630, 34476), (13260, 30238), (13956, 28730), (14365, 27912), (15119, 26520), (17238, 23260), (17445, 22984), (19771, 20280)]