15638220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 52651872

約数和(自身を除く): 37013652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 163, 164, 180, 195, 205, 234, 246, 260, 326, 369, 390, 410, 468, 489, 492, 533, 585, 615, 652, 738, 780, 815, 820, 978, 1066, 1170, 1230, 1467, 1476, 1599, 1630, 1845, 1956, 2119, 2132, 2340, 2445, 2460, 2665, 2934, 3198, 3260, 3690, 4238, 4797, 4890, 5330, 5868, 6357, 6396, 6683, 7335, 7380, 7995, 8476, 9594, 9780, 10595, 10660, 12714, 13366, 14670, 15990, 19071, 19188, 20049, 21190, 23985, 25428, 26732, 29340, 31785, 31980, 33415, 38142, 40098, 42380, 47970, 60147, 63570, 66830, 76284, 80196, 86879, 95355, 95940, 100245, 120294, 127140, 133660, 173758, 190710, 200490, 240588, 260637, 300735, 347516, 381420, 400980, 434395, 521274, 601470, 781911, 868790, 1042548, 1202940, 1303185, 1563822, 1737580, 2606370, 3127644, 3909555, 5212740, 7819110, 15638220]

約数ペア:

[(1, 15638220), (2, 7819110), (3, 5212740), (4, 3909555), (5, 3127644), (6, 2606370), (9, 1737580), (10, 1563822), (12, 1303185), (13, 1202940), (15, 1042548), (18, 868790), (20, 781911), (26, 601470), (30, 521274), (36, 434395), (39, 400980), (41, 381420), (45, 347516), (52, 300735), (60, 260637), (65, 240588), (78, 200490), (82, 190710), (90, 173758), (117, 133660), (123, 127140), (130, 120294), (156, 100245), (163, 95940), (164, 95355), (180, 86879), (195, 80196), (205, 76284), (234, 66830), (246, 63570), (260, 60147), (326, 47970), (369, 42380), (390, 40098), (410, 38142), (468, 33415), (489, 31980), (492, 31785), (533, 29340), (585, 26732), (615, 25428), (652, 23985), (738, 21190), (780, 20049), (815, 19188), (820, 19071), (978, 15990), (1066, 14670), (1170, 13366), (1230, 12714), (1467, 10660), (1476, 10595), (1599, 9780), (1630, 9594), (1845, 8476), (1956, 7995), (2119, 7380), (2132, 7335), (2340, 6683), (2445, 6396), (2460, 6357), (2665, 5868), (2934, 5330), (3198, 4890), (3260, 4797), (3690, 4238)]