72469980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2153}}^1$

素因数の和:2196

約数の個数: 144

約数和(自身を含む): 254034144

約数和(自身を除く): 181564164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 660, 748, 765, 935, 990, 1020, 1122, 1530, 1683, 1870, 1980, 2153, 2244, 2805, 3060, 3366, 3740, 4306, 5610, 6459, 6732, 8415, 8612, 10765, 11220, 12918, 16830, 19377, 21530, 23683, 25836, 32295, 33660, 36601, 38754, 43060, 47366, 64590, 71049, 73202, 77508, 94732, 96885, 109803, 118415, 129180, 142098, 146404, 183005, 193770, 213147, 219606, 236830, 284196, 329409, 355245, 366010, 387540, 402611, 426294, 439212, 473660, 549015, 658818, 710490, 732020, 805222, 852588, 1065735, 1098030, 1207833, 1317636, 1420980, 1610444, 1647045, 2013055, 2131470, 2196060, 2415666, 3294090, 3623499, 4026110, 4262940, 4831332, 6039165, 6588180, 7246998, 8052220, 12078330, 14493996, 18117495, 24156660, 36234990, 72469980]

約数ペア:

[(1, 72469980), (2, 36234990), (3, 24156660), (4, 18117495), (5, 14493996), (6, 12078330), (9, 8052220), (10, 7246998), (11, 6588180), (12, 6039165), (15, 4831332), (17, 4262940), (18, 4026110), (20, 3623499), (22, 3294090), (30, 2415666), (33, 2196060), (34, 2131470), (36, 2013055), (44, 1647045), (45, 1610444), (51, 1420980), (55, 1317636), (60, 1207833), (66, 1098030), (68, 1065735), (85, 852588), (90, 805222), (99, 732020), (102, 710490), (110, 658818), (132, 549015), (153, 473660), (165, 439212), (170, 426294), (180, 402611), (187, 387540), (198, 366010), (204, 355245), (220, 329409), (255, 284196), (306, 236830), (330, 219606), (340, 213147), (374, 193770), (396, 183005), (495, 146404), (510, 142098), (561, 129180), (612, 118415), (660, 109803), (748, 96885), (765, 94732), (935, 77508), (990, 73202), (1020, 71049), (1122, 64590), (1530, 47366), (1683, 43060), (1870, 38754), (1980, 36601), (2153, 33660), (2244, 32295), (2805, 25836), (3060, 23683), (3366, 21530), (3740, 19377), (4306, 16830), (5610, 12918), (6459, 11220), (6732, 10765), (8415, 8612)]