215918820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1741}}^1$

素因数の和:1822

約数の個数: 144

約数和(自身を含む): 719055792

約数和(自身を除く): 503136972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 234, 260, 265, 318, 390, 468, 477, 530, 585, 636, 689, 780, 795, 954, 1060, 1170, 1378, 1590, 1741, 1908, 2067, 2340, 2385, 2756, 3180, 3445, 3482, 4134, 4770, 5223, 6201, 6890, 6964, 8268, 8705, 9540, 10335, 10446, 12402, 13780, 15669, 17410, 20670, 20892, 22633, 24804, 26115, 31005, 31338, 34820, 41340, 45266, 52230, 62010, 62676, 67899, 78345, 90532, 92273, 104460, 113165, 124020, 135798, 156690, 184546, 203697, 226330, 271596, 276819, 313380, 339495, 369092, 407394, 452660, 461365, 553638, 678990, 814788, 830457, 922730, 1018485, 1107276, 1199549, 1357980, 1384095, 1660914, 1845460, 2036970, 2399098, 2768190, 3321828, 3598647, 4073940, 4152285, 4798196, 5536380, 5997745, 7197294, 8304570, 10795941, 11995490, 14394588, 16609140, 17993235, 21591882, 23990980, 35986470, 43183764, 53979705, 71972940, 107959410, 215918820]

約数ペア:

[(1, 215918820), (2, 107959410), (3, 71972940), (4, 53979705), (5, 43183764), (6, 35986470), (9, 23990980), (10, 21591882), (12, 17993235), (13, 16609140), (15, 14394588), (18, 11995490), (20, 10795941), (26, 8304570), (30, 7197294), (36, 5997745), (39, 5536380), (45, 4798196), (52, 4152285), (53, 4073940), (60, 3598647), (65, 3321828), (78, 2768190), (90, 2399098), (106, 2036970), (117, 1845460), (130, 1660914), (156, 1384095), (159, 1357980), (180, 1199549), (195, 1107276), (212, 1018485), (234, 922730), (260, 830457), (265, 814788), (318, 678990), (390, 553638), (468, 461365), (477, 452660), (530, 407394), (585, 369092), (636, 339495), (689, 313380), (780, 276819), (795, 271596), (954, 226330), (1060, 203697), (1170, 184546), (1378, 156690), (1590, 135798), (1741, 124020), (1908, 113165), (2067, 104460), (2340, 92273), (2385, 90532), (2756, 78345), (3180, 67899), (3445, 62676), (3482, 62010), (4134, 52230), (4770, 45266), (5223, 41340), (6201, 34820), (6890, 31338), (6964, 31005), (8268, 26115), (8705, 24804), (9540, 22633), (10335, 20892), (10446, 20670), (12402, 17410), (13780, 15669)]