72517060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 200188800

約数和(自身を除く): 127671740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 308, 310, 341, 343, 385, 434, 490, 539, 620, 682, 686, 770, 868, 961, 980, 1078, 1085, 1364, 1372, 1519, 1540, 1705, 1715, 1922, 2156, 2170, 2387, 2695, 3038, 3410, 3430, 3773, 3844, 4340, 4774, 4805, 5390, 6076, 6727, 6820, 6860, 7546, 7595, 9548, 9610, 10571, 10633, 10780, 11935, 13454, 15092, 15190, 16709, 18865, 19220, 21142, 21266, 23870, 26908, 30380, 33418, 33635, 37730, 42284, 42532, 47089, 47740, 52855, 53165, 66836, 67270, 73997, 75460, 83545, 94178, 105710, 106330, 116963, 134540, 147994, 167090, 188356, 211420, 212660, 233926, 235445, 295988, 329623, 334180, 369985, 467852, 470890, 517979, 584815, 659246, 739970, 941780, 1035958, 1169630, 1318492, 1479940, 1648115, 2071916, 2339260, 2589895, 3296230, 3625853, 5179790, 6592460, 7251706, 10359580, 14503412, 18129265, 36258530, 72517060]

約数ペア:

[(1, 72517060), (2, 36258530), (4, 18129265), (5, 14503412), (7, 10359580), (10, 7251706), (11, 6592460), (14, 5179790), (20, 3625853), (22, 3296230), (28, 2589895), (31, 2339260), (35, 2071916), (44, 1648115), (49, 1479940), (55, 1318492), (62, 1169630), (70, 1035958), (77, 941780), (98, 739970), (110, 659246), (124, 584815), (140, 517979), (154, 470890), (155, 467852), (196, 369985), (217, 334180), (220, 329623), (245, 295988), (308, 235445), (310, 233926), (341, 212660), (343, 211420), (385, 188356), (434, 167090), (490, 147994), (539, 134540), (620, 116963), (682, 106330), (686, 105710), (770, 94178), (868, 83545), (961, 75460), (980, 73997), (1078, 67270), (1085, 66836), (1364, 53165), (1372, 52855), (1519, 47740), (1540, 47089), (1705, 42532), (1715, 42284), (1922, 37730), (2156, 33635), (2170, 33418), (2387, 30380), (2695, 26908), (3038, 23870), (3410, 21266), (3430, 21142), (3773, 19220), (3844, 18865), (4340, 16709), (4774, 15190), (4805, 15092), (5390, 13454), (6076, 11935), (6727, 10780), (6820, 10633), (6860, 10571), (7546, 9610), (7595, 9548)]