31114590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 90361008

約数和(自身を除く): 59246418

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 19, 26, 30, 34, 38, 39, 51, 57, 65, 78, 85, 95, 102, 114, 130, 169, 170, 190, 195, 221, 247, 255, 285, 323, 338, 361, 390, 442, 494, 507, 510, 570, 646, 663, 722, 741, 845, 969, 1014, 1083, 1105, 1235, 1326, 1482, 1615, 1690, 1805, 1938, 2166, 2210, 2470, 2535, 2873, 3211, 3230, 3315, 3610, 3705, 4199, 4693, 4845, 5070, 5415, 5746, 6137, 6422, 6630, 7410, 8398, 8619, 9386, 9633, 9690, 10830, 12274, 12597, 14079, 14365, 16055, 17238, 18411, 19266, 20995, 23465, 25194, 28158, 28730, 30685, 32110, 36822, 41990, 43095, 46930, 48165, 54587, 61009, 61370, 62985, 70395, 79781, 86190, 92055, 96330, 109174, 122018, 125970, 140790, 159562, 163761, 183027, 184110, 239343, 272935, 305045, 327522, 366054, 398905, 478686, 545870, 610090, 797810, 818805, 915135, 1037153, 1196715, 1637610, 1830270, 2074306, 2393430, 3111459, 5185765, 6222918, 10371530, 15557295, 31114590]

約数ペア:

[(1, 31114590), (2, 15557295), (3, 10371530), (5, 6222918), (6, 5185765), (10, 3111459), (13, 2393430), (15, 2074306), (17, 1830270), (19, 1637610), (26, 1196715), (30, 1037153), (34, 915135), (38, 818805), (39, 797810), (51, 610090), (57, 545870), (65, 478686), (78, 398905), (85, 366054), (95, 327522), (102, 305045), (114, 272935), (130, 239343), (169, 184110), (170, 183027), (190, 163761), (195, 159562), (221, 140790), (247, 125970), (255, 122018), (285, 109174), (323, 96330), (338, 92055), (361, 86190), (390, 79781), (442, 70395), (494, 62985), (507, 61370), (510, 61009), (570, 54587), (646, 48165), (663, 46930), (722, 43095), (741, 41990), (845, 36822), (969, 32110), (1014, 30685), (1083, 28730), (1105, 28158), (1235, 25194), (1326, 23465), (1482, 20995), (1615, 19266), (1690, 18411), (1805, 17238), (1938, 16055), (2166, 14365), (2210, 14079), (2470, 12597), (2535, 12274), (2873, 10830), (3211, 9690), (3230, 9633), (3315, 9386), (3610, 8619), (3705, 8398), (4199, 7410), (4693, 6630), (4845, 6422), (5070, 6137), (5415, 5746)]