89915220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 292481280

約数和(自身を除く): 202566060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 114, 122, 171, 180, 183, 190, 228, 244, 285, 305, 342, 366, 380, 431, 549, 570, 610, 684, 732, 855, 862, 915, 1098, 1140, 1159, 1220, 1293, 1710, 1724, 1830, 2155, 2196, 2318, 2586, 2745, 3420, 3477, 3660, 3879, 4310, 4636, 5172, 5490, 5795, 6465, 6954, 7758, 8189, 8620, 10431, 10980, 11590, 12930, 13908, 15516, 16378, 17385, 19395, 20862, 23180, 24567, 25860, 26291, 32756, 34770, 38790, 40945, 41724, 49134, 52155, 52582, 69540, 73701, 77580, 78873, 81890, 98268, 104310, 105164, 122835, 131455, 147402, 157746, 163780, 208620, 236619, 245670, 262910, 294804, 315492, 368505, 394365, 473238, 491340, 499529, 525820, 737010, 788730, 946476, 999058, 1183095, 1474020, 1498587, 1577460, 1998116, 2366190, 2497645, 2997174, 4495761, 4732380, 4995290, 5994348, 7492935, 8991522, 9990580, 14985870, 17983044, 22478805, 29971740, 44957610, 89915220]

約数ペア:

[(1, 89915220), (2, 44957610), (3, 29971740), (4, 22478805), (5, 17983044), (6, 14985870), (9, 9990580), (10, 8991522), (12, 7492935), (15, 5994348), (18, 4995290), (19, 4732380), (20, 4495761), (30, 2997174), (36, 2497645), (38, 2366190), (45, 1998116), (57, 1577460), (60, 1498587), (61, 1474020), (76, 1183095), (90, 999058), (95, 946476), (114, 788730), (122, 737010), (171, 525820), (180, 499529), (183, 491340), (190, 473238), (228, 394365), (244, 368505), (285, 315492), (305, 294804), (342, 262910), (366, 245670), (380, 236619), (431, 208620), (549, 163780), (570, 157746), (610, 147402), (684, 131455), (732, 122835), (855, 105164), (862, 104310), (915, 98268), (1098, 81890), (1140, 78873), (1159, 77580), (1220, 73701), (1293, 69540), (1710, 52582), (1724, 52155), (1830, 49134), (2155, 41724), (2196, 40945), (2318, 38790), (2586, 34770), (2745, 32756), (3420, 26291), (3477, 25860), (3660, 24567), (3879, 23180), (4310, 20862), (4636, 19395), (5172, 17385), (5490, 16378), (5795, 15516), (6465, 13908), (6954, 12930), (7758, 11590), (8189, 10980), (8620, 10431)]