72480980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25343}}^1$

素因数の和:25376

約数の個数: 48

約数和(自身を含む): 178827264

約数和(自身を除く): 106346284

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 25343, 50686, 101372, 126715, 253430, 278773, 329459, 506860, 557546, 658918, 1115092, 1317836, 1393865, 1647295, 2787730, 3294590, 3624049, 5575460, 6589180, 7248098, 14496196, 18120245, 36240490, 72480980]

約数ペア:

[(1, 72480980), (2, 36240490), (4, 18120245), (5, 14496196), (10, 7248098), (11, 6589180), (13, 5575460), (20, 3624049), (22, 3294590), (26, 2787730), (44, 1647295), (52, 1393865), (55, 1317836), (65, 1115092), (110, 658918), (130, 557546), (143, 506860), (220, 329459), (260, 278773), (286, 253430), (572, 126715), (715, 101372), (1430, 50686), (2860, 25343)]