261047280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2699}}^1$

素因数の和:2759

約数の個数: 160

約数和(自身を含む): 899942400

約数和(自身を除く): 638895120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 465, 496, 520, 620, 624, 744, 780, 806, 930, 1040, 1209, 1240, 1488, 1560, 1612, 1860, 2015, 2418, 2480, 2699, 3120, 3224, 3720, 4030, 4836, 5398, 6045, 6448, 7440, 8060, 8097, 9672, 10796, 12090, 13495, 16120, 16194, 19344, 21592, 24180, 26990, 32240, 32388, 35087, 40485, 43184, 48360, 53980, 64776, 70174, 80970, 83669, 96720, 105261, 107960, 129552, 140348, 161940, 167338, 175435, 210522, 215920, 251007, 280696, 323880, 334676, 350870, 418345, 421044, 502014, 526305, 561392, 647760, 669352, 701740, 836690, 842088, 1004028, 1052610, 1087697, 1255035, 1338704, 1403480, 1673380, 1684176, 2008056, 2105220, 2175394, 2510070, 2806960, 3263091, 3346760, 4016112, 4210440, 4350788, 5020140, 5438485, 6526182, 6693520, 8420880, 8701576, 10040280, 10876970, 13052364, 16315455, 17403152, 20080560, 21753940, 26104728, 32630910, 43507880, 52209456, 65261820, 87015760, 130523640, 261047280]

約数ペア:

[(1, 261047280), (2, 130523640), (3, 87015760), (4, 65261820), (5, 52209456), (6, 43507880), (8, 32630910), (10, 26104728), (12, 21753940), (13, 20080560), (15, 17403152), (16, 16315455), (20, 13052364), (24, 10876970), (26, 10040280), (30, 8701576), (31, 8420880), (39, 6693520), (40, 6526182), (48, 5438485), (52, 5020140), (60, 4350788), (62, 4210440), (65, 4016112), (78, 3346760), (80, 3263091), (93, 2806960), (104, 2510070), (120, 2175394), (124, 2105220), (130, 2008056), (155, 1684176), (156, 1673380), (186, 1403480), (195, 1338704), (208, 1255035), (240, 1087697), (248, 1052610), (260, 1004028), (310, 842088), (312, 836690), (372, 701740), (390, 669352), (403, 647760), (465, 561392), (496, 526305), (520, 502014), (620, 421044), (624, 418345), (744, 350870), (780, 334676), (806, 323880), (930, 280696), (1040, 251007), (1209, 215920), (1240, 210522), (1488, 175435), (1560, 167338), (1612, 161940), (1860, 140348), (2015, 129552), (2418, 107960), (2480, 105261), (2699, 96720), (3120, 83669), (3224, 80970), (3720, 70174), (4030, 64776), (4836, 53980), (5398, 48360), (6045, 43184), (6448, 40485), (7440, 35087), (8060, 32388), (8097, 32240), (9672, 26990), (10796, 24180), (12090, 21592), (13495, 19344), (16120, 16194)]