31305690

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1026

約数の個数: 96

約数和(自身を含む): 90994176

約数和(自身を除く): 59688486

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 702, 810, 991, 1053, 1170, 1215, 1755, 1982, 2106, 2430, 2973, 3159, 3510, 4955, 5265, 5946, 6318, 8919, 9910, 10530, 12883, 14865, 15795, 17838, 25766, 26757, 29730, 31590, 38649, 44595, 53514, 64415, 77298, 80271, 89190, 115947, 128830, 133785, 160542, 193245, 231894, 240813, 267570, 347841, 386490, 401355, 481626, 579735, 695682, 802710, 1043523, 1159470, 1204065, 1739205, 2087046, 2408130, 3130569, 3478410, 5217615, 6261138, 10435230, 15652845, 31305690]

約数ペア:

[(1, 31305690), (2, 15652845), (3, 10435230), (5, 6261138), (6, 5217615), (9, 3478410), (10, 3130569), (13, 2408130), (15, 2087046), (18, 1739205), (26, 1204065), (27, 1159470), (30, 1043523), (39, 802710), (45, 695682), (54, 579735), (65, 481626), (78, 401355), (81, 386490), (90, 347841), (117, 267570), (130, 240813), (135, 231894), (162, 193245), (195, 160542), (234, 133785), (243, 128830), (270, 115947), (351, 89190), (390, 80271), (405, 77298), (486, 64415), (585, 53514), (702, 44595), (810, 38649), (991, 31590), (1053, 29730), (1170, 26757), (1215, 25766), (1755, 17838), (1982, 15795), (2106, 14865), (2430, 12883), (2973, 10530), (3159, 9910), (3510, 8919), (4955, 6318), (5265, 5946)]