180420778640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{37991}}^1$

素因数の和:38145

約数の個数: 160

約数和(自身を含む): 457909977600

約数和(自身を除く): 277489198960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 89, 92, 115, 116, 145, 178, 184, 230, 232, 290, 356, 368, 445, 460, 464, 580, 667, 712, 890, 920, 1160, 1334, 1424, 1780, 1840, 2047, 2320, 2581, 2668, 3335, 3560, 4094, 5162, 5336, 6670, 7120, 8188, 10235, 10324, 10672, 12905, 13340, 16376, 20470, 20648, 25810, 26680, 32752, 37991, 40940, 41296, 51620, 53360, 59363, 75982, 81880, 103240, 118726, 151964, 163760, 189955, 206480, 237452, 296815, 303928, 379910, 474904, 593630, 607856, 759820, 873793, 949808, 1101739, 1187260, 1519640, 1747586, 2203478, 2374520, 3039280, 3381199, 3495172, 4368965, 4406956, 4749040, 5508695, 6762398, 6990344, 8737930, 8813912, 11017390, 13524796, 13980688, 16905995, 17475860, 17627824, 22034780, 25339997, 27049592, 33811990, 34951720, 44069560, 50679994, 54099184, 67623980, 69903440, 77767577, 88139120, 98054771, 101359988, 126699985, 135247960, 155535154, 196109542, 202719976, 253399970, 270495920, 311070308, 388837885, 392219084, 405439952, 490273855, 506799940, 622140616, 777675770, 784438168, 980547710, 1013599880, 1244281232, 1555351540, 1568876336, 1961095420, 2027199760, 2255259733, 3110703080, 3922190840, 4510519466, 6221406160, 7844381680, 9021038932, 11276298665, 18042077864, 22552597330, 36084155728, 45105194660, 90210389320, 180420778640]

約数ペア:

[(1, 180420778640), (2, 90210389320), (4, 45105194660), (5, 36084155728), (8, 22552597330), (10, 18042077864), (16, 11276298665), (20, 9021038932), (23, 7844381680), (29, 6221406160), (40, 4510519466), (46, 3922190840), (58, 3110703080), (80, 2255259733), (89, 2027199760), (92, 1961095420), (115, 1568876336), (116, 1555351540), (145, 1244281232), (178, 1013599880), (184, 980547710), (230, 784438168), (232, 777675770), (290, 622140616), (356, 506799940), (368, 490273855), (445, 405439952), (460, 392219084), (464, 388837885), (580, 311070308), (667, 270495920), (712, 253399970), (890, 202719976), (920, 196109542), (1160, 155535154), (1334, 135247960), (1424, 126699985), (1780, 101359988), (1840, 98054771), (2047, 88139120), (2320, 77767577), (2581, 69903440), (2668, 67623980), (3335, 54099184), (3560, 50679994), (4094, 44069560), (5162, 34951720), (5336, 33811990), (6670, 27049592), (7120, 25339997), (8188, 22034780), (10235, 17627824), (10324, 17475860), (10672, 16905995), (12905, 13980688), (13340, 13524796), (16376, 11017390), (20470, 8813912), (20648, 8737930), (25810, 6990344), (26680, 6762398), (32752, 5508695), (37991, 4749040), (40940, 4406956), (41296, 4368965), (51620, 3495172), (53360, 3381199), (59363, 3039280), (75982, 2374520), (81880, 2203478), (103240, 1747586), (118726, 1519640), (151964, 1187260), (163760, 1101739), (189955, 949808), (206480, 873793), (237452, 759820), (296815, 607856), (303928, 593630), (379910, 474904)]