220456260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 698770800

約数和(自身を除く): 478314540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 157, 174, 180, 261, 269, 290, 314, 348, 435, 471, 522, 538, 580, 628, 785, 807, 870, 942, 1044, 1076, 1305, 1345, 1413, 1570, 1614, 1740, 1884, 2355, 2421, 2610, 2690, 2826, 3140, 3228, 4035, 4553, 4710, 4842, 5220, 5380, 5652, 7065, 7801, 8070, 9106, 9420, 9684, 12105, 13659, 14130, 15602, 16140, 18212, 22765, 23403, 24210, 27318, 28260, 31204, 39005, 40977, 42233, 45530, 46806, 48420, 54636, 68295, 70209, 78010, 81954, 84466, 91060, 93612, 117015, 126699, 136590, 140418, 156020, 163908, 168932, 204885, 211165, 234030, 253398, 273180, 280836, 351045, 380097, 409770, 422330, 468060, 506796, 633495, 702090, 760194, 819540, 844660, 1224757, 1266990, 1404180, 1520388, 1900485, 2449514, 2533980, 3674271, 3800970, 4899028, 6123785, 7348542, 7601940, 11022813, 12247570, 14697084, 18371355, 22045626, 24495140, 36742710, 44091252, 55114065, 73485420, 110228130, 220456260]

約数ペア:

[(1, 220456260), (2, 110228130), (3, 73485420), (4, 55114065), (5, 44091252), (6, 36742710), (9, 24495140), (10, 22045626), (12, 18371355), (15, 14697084), (18, 12247570), (20, 11022813), (29, 7601940), (30, 7348542), (36, 6123785), (45, 4899028), (58, 3800970), (60, 3674271), (87, 2533980), (90, 2449514), (116, 1900485), (145, 1520388), (157, 1404180), (174, 1266990), (180, 1224757), (261, 844660), (269, 819540), (290, 760194), (314, 702090), (348, 633495), (435, 506796), (471, 468060), (522, 422330), (538, 409770), (580, 380097), (628, 351045), (785, 280836), (807, 273180), (870, 253398), (942, 234030), (1044, 211165), (1076, 204885), (1305, 168932), (1345, 163908), (1413, 156020), (1570, 140418), (1614, 136590), (1740, 126699), (1884, 117015), (2355, 93612), (2421, 91060), (2610, 84466), (2690, 81954), (2826, 78010), (3140, 70209), (3228, 68295), (4035, 54636), (4553, 48420), (4710, 46806), (4842, 45530), (5220, 42233), (5380, 40977), (5652, 39005), (7065, 31204), (7801, 28260), (8070, 27318), (9106, 24210), (9420, 23403), (9684, 22765), (12105, 18212), (13659, 16140), (14130, 15602)]