245576240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 736202880

約数和(自身を除く): 490626640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 61, 65, 70, 79, 80, 91, 98, 104, 112, 122, 130, 140, 158, 182, 196, 208, 244, 245, 260, 280, 305, 316, 364, 392, 395, 427, 455, 488, 490, 520, 553, 560, 610, 632, 637, 728, 784, 790, 793, 854, 910, 976, 980, 1027, 1040, 1106, 1220, 1264, 1274, 1456, 1580, 1586, 1708, 1820, 1960, 2054, 2135, 2212, 2440, 2548, 2765, 2989, 3160, 3172, 3185, 3416, 3640, 3871, 3920, 3965, 4108, 4270, 4424, 4819, 4880, 5096, 5135, 5530, 5551, 5978, 6320, 6344, 6370, 6832, 7189, 7280, 7742, 7930, 8216, 8540, 8848, 9638, 10192, 10270, 11060, 11102, 11956, 12688, 12740, 14378, 14945, 15484, 15860, 16432, 17080, 19276, 19355, 20540, 22120, 22204, 23912, 24095, 25480, 27755, 28756, 29890, 30968, 31720, 33733, 34160, 35945, 38552, 38710, 38857, 41080, 44240, 44408, 47824, 48190, 50323, 50960, 55510, 57512, 59780, 61936, 62647, 63440, 67466, 71890, 77104, 77420, 77714, 82160, 88816, 96380, 100646, 111020, 115024, 119560, 125294, 134932, 143780, 154840, 155428, 168665, 192760, 194285, 201292, 222040, 236131, 239120, 250588, 251615, 269864, 287560, 309680, 310856, 313235, 337330, 385520, 388570, 402584, 438529, 444080, 472262, 501176, 503230, 539728, 575120, 621712, 626470, 674660, 777140, 805168, 877058, 944524, 1002352, 1006460, 1180655, 1252940, 1349320, 1554280, 1754116, 1889048, 2012920, 2192645, 2361310, 2505880, 2698640, 3069703, 3108560, 3508232, 3778096, 4025840, 4385290, 4722620, 5011760, 6139406, 7016464, 8770580, 9445240, 12278812, 15348515, 17541160, 18890480, 24557624, 30697030, 35082320, 49115248, 61394060, 122788120, 245576240]

約数ペア:

[(1, 245576240), (2, 122788120), (4, 61394060), (5, 49115248), (7, 35082320), (8, 30697030), (10, 24557624), (13, 18890480), (14, 17541160), (16, 15348515), (20, 12278812), (26, 9445240), (28, 8770580), (35, 7016464), (40, 6139406), (49, 5011760), (52, 4722620), (56, 4385290), (61, 4025840), (65, 3778096), (70, 3508232), (79, 3108560), (80, 3069703), (91, 2698640), (98, 2505880), (104, 2361310), (112, 2192645), (122, 2012920), (130, 1889048), (140, 1754116), (158, 1554280), (182, 1349320), (196, 1252940), (208, 1180655), (244, 1006460), (245, 1002352), (260, 944524), (280, 877058), (305, 805168), (316, 777140), (364, 674660), (392, 626470), (395, 621712), (427, 575120), (455, 539728), (488, 503230), (490, 501176), (520, 472262), (553, 444080), (560, 438529), (610, 402584), (632, 388570), (637, 385520), (728, 337330), (784, 313235), (790, 310856), (793, 309680), (854, 287560), (910, 269864), (976, 251615), (980, 250588), (1027, 239120), (1040, 236131), (1106, 222040), (1220, 201292), (1264, 194285), (1274, 192760), (1456, 168665), (1580, 155428), (1586, 154840), (1708, 143780), (1820, 134932), (1960, 125294), (2054, 119560), (2135, 115024), (2212, 111020), (2440, 100646), (2548, 96380), (2765, 88816), (2989, 82160), (3160, 77714), (3172, 77420), (3185, 77104), (3416, 71890), (3640, 67466), (3871, 63440), (3920, 62647), (3965, 61936), (4108, 59780), (4270, 57512), (4424, 55510), (4819, 50960), (4880, 50323), (5096, 48190), (5135, 47824), (5530, 44408), (5551, 44240), (5978, 41080), (6320, 38857), (6344, 38710), (6370, 38552), (6832, 35945), (7189, 34160), (7280, 33733), (7742, 31720), (7930, 30968), (8216, 29890), (8540, 28756), (8848, 27755), (9638, 25480), (10192, 24095), (10270, 23912), (11060, 22204), (11102, 22120), (11956, 20540), (12688, 19355), (12740, 19276), (14378, 17080), (14945, 16432), (15484, 15860)]