640667160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{36319}}^1$

素因数の和:36350

約数の個数: 144

約数和(自身を含む): 2422180800

約数和(自身を除く): 1781513640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 36319, 72638, 108957, 145276, 181595, 217914, 254233, 290552, 326871, 363190, 435828, 508466, 544785, 653742, 726380, 762699, 871656, 1016932, 1089570, 1271165, 1307484, 1452760, 1525398, 1634355, 1779631, 2033864, 2179140, 2288097, 2542330, 2614968, 3050796, 3268710, 3559262, 3813495, 4358280, 4576194, 5084660, 5338893, 6101592, 6537420, 7118524, 7626990, 8898155, 9152388, 10169320, 10677786, 11440485, 13074840, 14237048, 15253980, 16016679, 17796310, 18304776, 21355572, 22880970, 26694465, 30507960, 32033358, 35592620, 42711144, 45761940, 53388930, 64066716, 71185240, 80083395, 91523880, 106777860, 128133432, 160166790, 213555720, 320333580, 640667160]

約数ペア:

[(1, 640667160), (2, 320333580), (3, 213555720), (4, 160166790), (5, 128133432), (6, 106777860), (7, 91523880), (8, 80083395), (9, 71185240), (10, 64066716), (12, 53388930), (14, 45761940), (15, 42711144), (18, 35592620), (20, 32033358), (21, 30507960), (24, 26694465), (28, 22880970), (30, 21355572), (35, 18304776), (36, 17796310), (40, 16016679), (42, 15253980), (45, 14237048), (49, 13074840), (56, 11440485), (60, 10677786), (63, 10169320), (70, 9152388), (72, 8898155), (84, 7626990), (90, 7118524), (98, 6537420), (105, 6101592), (120, 5338893), (126, 5084660), (140, 4576194), (147, 4358280), (168, 3813495), (180, 3559262), (196, 3268710), (210, 3050796), (245, 2614968), (252, 2542330), (280, 2288097), (294, 2179140), (315, 2033864), (360, 1779631), (392, 1634355), (420, 1525398), (441, 1452760), (490, 1307484), (504, 1271165), (588, 1089570), (630, 1016932), (735, 871656), (840, 762699), (882, 726380), (980, 653742), (1176, 544785), (1260, 508466), (1470, 435828), (1764, 363190), (1960, 326871), (2205, 290552), (2520, 254233), (2940, 217914), (3528, 181595), (4410, 145276), (5880, 108957), (8820, 72638), (17640, 36319)]