90257220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{463}}^1$

素因数の和:519

約数の個数: 144

約数和(自身を含む): 296997120

約数和(自身を除く): 206739900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 361, 380, 463, 513, 540, 570, 684, 722, 855, 926, 1026, 1083, 1140, 1389, 1444, 1710, 1805, 1852, 2052, 2166, 2315, 2565, 2778, 3249, 3420, 3610, 4167, 4332, 4630, 5130, 5415, 5556, 6498, 6945, 7220, 8334, 8797, 9260, 9747, 10260, 10830, 12501, 12996, 13890, 16245, 16668, 17594, 19494, 20835, 21660, 25002, 26391, 27780, 32490, 35188, 38988, 41670, 43985, 48735, 50004, 52782, 62505, 64980, 79173, 83340, 87970, 97470, 105564, 125010, 131955, 158346, 167143, 175940, 194940, 237519, 250020, 263910, 316692, 334286, 395865, 475038, 501429, 527820, 668572, 791730, 835715, 950076, 1002858, 1187595, 1504287, 1583460, 1671430, 2005716, 2375190, 2507145, 3008574, 3342860, 4512861, 4750380, 5014290, 6017148, 7521435, 9025722, 10028580, 15042870, 18051444, 22564305, 30085740, 45128610, 90257220]

約数ペア:

[(1, 90257220), (2, 45128610), (3, 30085740), (4, 22564305), (5, 18051444), (6, 15042870), (9, 10028580), (10, 9025722), (12, 7521435), (15, 6017148), (18, 5014290), (19, 4750380), (20, 4512861), (27, 3342860), (30, 3008574), (36, 2507145), (38, 2375190), (45, 2005716), (54, 1671430), (57, 1583460), (60, 1504287), (76, 1187595), (90, 1002858), (95, 950076), (108, 835715), (114, 791730), (135, 668572), (171, 527820), (180, 501429), (190, 475038), (228, 395865), (270, 334286), (285, 316692), (342, 263910), (361, 250020), (380, 237519), (463, 194940), (513, 175940), (540, 167143), (570, 158346), (684, 131955), (722, 125010), (855, 105564), (926, 97470), (1026, 87970), (1083, 83340), (1140, 79173), (1389, 64980), (1444, 62505), (1710, 52782), (1805, 50004), (1852, 48735), (2052, 43985), (2166, 41670), (2315, 38988), (2565, 35188), (2778, 32490), (3249, 27780), (3420, 26391), (3610, 25002), (4167, 21660), (4332, 20835), (4630, 19494), (5130, 17594), (5415, 16668), (5556, 16245), (6498, 13890), (6945, 12996), (7220, 12501), (8334, 10830), (8797, 10260), (9260, 9747)]