281787480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3169}}^1$

素因数の和:3218

約数の個数: 192

約数和(自身を含む): 1038492000

約数和(自身を除く): 756704520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 684, 741, 760, 780, 855, 936, 988, 1140, 1170, 1235, 1368, 1482, 1560, 1710, 1976, 2223, 2280, 2340, 2470, 2964, 3169, 3420, 3705, 4446, 4680, 4940, 5928, 6338, 6840, 7410, 8892, 9507, 9880, 11115, 12676, 14820, 15845, 17784, 19014, 22230, 25352, 28521, 29640, 31690, 38028, 41197, 44460, 47535, 57042, 60211, 63380, 76056, 82394, 88920, 95070, 114084, 120422, 123591, 126760, 142605, 164788, 180633, 190140, 205985, 228168, 240844, 247182, 285210, 301055, 329576, 361266, 370773, 380280, 411970, 481688, 494364, 541899, 570420, 602110, 617955, 722532, 741546, 782743, 823940, 903165, 988728, 1083798, 1140840, 1204220, 1235910, 1445064, 1483092, 1565486, 1647880, 1806330, 1853865, 2167596, 2348229, 2408440, 2471820, 2709495, 2966184, 3130972, 3612660, 3707730, 3913715, 4335192, 4696458, 4943640, 5418990, 6261944, 7044687, 7225320, 7415460, 7827430, 9392916, 10837980, 11741145, 14089374, 14830920, 15654860, 18785832, 21675960, 23482290, 28178748, 31309720, 35223435, 46964580, 56357496, 70446870, 93929160, 140893740, 281787480]

約数ペア:

[(1, 281787480), (2, 140893740), (3, 93929160), (4, 70446870), (5, 56357496), (6, 46964580), (8, 35223435), (9, 31309720), (10, 28178748), (12, 23482290), (13, 21675960), (15, 18785832), (18, 15654860), (19, 14830920), (20, 14089374), (24, 11741145), (26, 10837980), (30, 9392916), (36, 7827430), (38, 7415460), (39, 7225320), (40, 7044687), (45, 6261944), (52, 5418990), (57, 4943640), (60, 4696458), (65, 4335192), (72, 3913715), (76, 3707730), (78, 3612660), (90, 3130972), (95, 2966184), (104, 2709495), (114, 2471820), (117, 2408440), (120, 2348229), (130, 2167596), (152, 1853865), (156, 1806330), (171, 1647880), (180, 1565486), (190, 1483092), (195, 1445064), (228, 1235910), (234, 1204220), (247, 1140840), (260, 1083798), (285, 988728), (312, 903165), (342, 823940), (360, 782743), (380, 741546), (390, 722532), (456, 617955), (468, 602110), (494, 570420), (520, 541899), (570, 494364), (585, 481688), (684, 411970), (741, 380280), (760, 370773), (780, 361266), (855, 329576), (936, 301055), (988, 285210), (1140, 247182), (1170, 240844), (1235, 228168), (1368, 205985), (1482, 190140), (1560, 180633), (1710, 164788), (1976, 142605), (2223, 126760), (2280, 123591), (2340, 120422), (2470, 114084), (2964, 95070), (3169, 88920), (3420, 82394), (3705, 76056), (4446, 63380), (4680, 60211), (4940, 57042), (5928, 47535), (6338, 44460), (6840, 41197), (7410, 38028), (8892, 31690), (9507, 29640), (9880, 28521), (11115, 25352), (12676, 22230), (14820, 19014), (15845, 17784)]