30081780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:651

約数の個数: 120

約数和(自身を含む): 97574400

約数和(自身を除く): 67492620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 599, 620, 810, 837, 930, 1116, 1198, 1395, 1620, 1674, 1797, 1860, 2396, 2511, 2790, 2995, 3348, 3594, 4185, 5022, 5391, 5580, 5990, 7188, 8370, 8985, 10044, 10782, 11980, 12555, 16173, 16740, 17970, 18569, 21564, 25110, 26955, 32346, 35940, 37138, 48519, 50220, 53910, 55707, 64692, 74276, 80865, 92845, 97038, 107820, 111414, 161730, 167121, 185690, 194076, 222828, 242595, 278535, 323460, 334242, 371380, 485190, 501363, 557070, 668484, 835605, 970380, 1002726, 1114140, 1504089, 1671210, 2005452, 2506815, 3008178, 3342420, 5013630, 6016356, 7520445, 10027260, 15040890, 30081780]

約数ペア:

[(1, 30081780), (2, 15040890), (3, 10027260), (4, 7520445), (5, 6016356), (6, 5013630), (9, 3342420), (10, 3008178), (12, 2506815), (15, 2005452), (18, 1671210), (20, 1504089), (27, 1114140), (30, 1002726), (31, 970380), (36, 835605), (45, 668484), (54, 557070), (60, 501363), (62, 485190), (81, 371380), (90, 334242), (93, 323460), (108, 278535), (124, 242595), (135, 222828), (155, 194076), (162, 185690), (180, 167121), (186, 161730), (270, 111414), (279, 107820), (310, 97038), (324, 92845), (372, 80865), (405, 74276), (465, 64692), (540, 55707), (558, 53910), (599, 50220), (620, 48519), (810, 37138), (837, 35940), (930, 32346), (1116, 26955), (1198, 25110), (1395, 21564), (1620, 18569), (1674, 17970), (1797, 16740), (1860, 16173), (2396, 12555), (2511, 11980), (2790, 10782), (2995, 10044), (3348, 8985), (3594, 8370), (4185, 7188), (5022, 5990), (5391, 5580)]