203445840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:557

約数の個数: 160

約数和(自身を含む): 684706176

約数和(自身を除く): 481260336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 197, 208, 240, 260, 312, 331, 390, 394, 520, 591, 624, 662, 780, 788, 985, 993, 1040, 1182, 1324, 1560, 1576, 1655, 1970, 1986, 2364, 2561, 2648, 2955, 3120, 3152, 3310, 3940, 3972, 4303, 4728, 4965, 5122, 5296, 5910, 6620, 7683, 7880, 7944, 8606, 9456, 9930, 10244, 11820, 12805, 12909, 13240, 15366, 15760, 15888, 17212, 19860, 20488, 21515, 23640, 25610, 25818, 26480, 30732, 34424, 38415, 39720, 40976, 43030, 47280, 51220, 51636, 61464, 64545, 65207, 68848, 76830, 79440, 86060, 102440, 103272, 122928, 129090, 130414, 153660, 172120, 195621, 204880, 206544, 258180, 260828, 307320, 326035, 344240, 391242, 516360, 521656, 614640, 652070, 782484, 847691, 978105, 1032720, 1043312, 1304140, 1564968, 1695382, 1956210, 2543073, 2608280, 3129936, 3390764, 3912420, 4238455, 5086146, 5216560, 6781528, 7824840, 8476910, 10172292, 12715365, 13563056, 15649680, 16953820, 20344584, 25430730, 33907640, 40689168, 50861460, 67815280, 101722920, 203445840]

約数ペア:

[(1, 203445840), (2, 101722920), (3, 67815280), (4, 50861460), (5, 40689168), (6, 33907640), (8, 25430730), (10, 20344584), (12, 16953820), (13, 15649680), (15, 13563056), (16, 12715365), (20, 10172292), (24, 8476910), (26, 7824840), (30, 6781528), (39, 5216560), (40, 5086146), (48, 4238455), (52, 3912420), (60, 3390764), (65, 3129936), (78, 2608280), (80, 2543073), (104, 1956210), (120, 1695382), (130, 1564968), (156, 1304140), (195, 1043312), (197, 1032720), (208, 978105), (240, 847691), (260, 782484), (312, 652070), (331, 614640), (390, 521656), (394, 516360), (520, 391242), (591, 344240), (624, 326035), (662, 307320), (780, 260828), (788, 258180), (985, 206544), (993, 204880), (1040, 195621), (1182, 172120), (1324, 153660), (1560, 130414), (1576, 129090), (1655, 122928), (1970, 103272), (1986, 102440), (2364, 86060), (2561, 79440), (2648, 76830), (2955, 68848), (3120, 65207), (3152, 64545), (3310, 61464), (3940, 51636), (3972, 51220), (4303, 47280), (4728, 43030), (4965, 40976), (5122, 39720), (5296, 38415), (5910, 34424), (6620, 30732), (7683, 26480), (7880, 25818), (7944, 25610), (8606, 23640), (9456, 21515), (9930, 20488), (10244, 19860), (11820, 17212), (12805, 15888), (12909, 15760), (13240, 15366)]