28423980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4049}}^1$

素因数の和:4080

約数の個数: 96

約数和(自身を含む): 95256000

約数和(自身を除く): 66832020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 4049, 7020, 8098, 12147, 16196, 20245, 24294, 36441, 40490, 48588, 52637, 60735, 72882, 80980, 105274, 109323, 121470, 145764, 157911, 182205, 210548, 218646, 242940, 263185, 315822, 364410, 437292, 473733, 526370, 546615, 631644, 728820, 789555, 947466, 1052740, 1093230, 1421199, 1579110, 1894932, 2186460, 2368665, 2842398, 3158220, 4737330, 5684796, 7105995, 9474660, 14211990, 28423980]

約数ペア:

[(1, 28423980), (2, 14211990), (3, 9474660), (4, 7105995), (5, 5684796), (6, 4737330), (9, 3158220), (10, 2842398), (12, 2368665), (13, 2186460), (15, 1894932), (18, 1579110), (20, 1421199), (26, 1093230), (27, 1052740), (30, 947466), (36, 789555), (39, 728820), (45, 631644), (52, 546615), (54, 526370), (60, 473733), (65, 437292), (78, 364410), (90, 315822), (108, 263185), (117, 242940), (130, 218646), (135, 210548), (156, 182205), (180, 157911), (195, 145764), (234, 121470), (260, 109323), (270, 105274), (351, 80980), (390, 72882), (468, 60735), (540, 52637), (585, 48588), (702, 40490), (780, 36441), (1170, 24294), (1404, 20245), (1755, 16196), (2340, 12147), (3510, 8098), (4049, 7020)]