201521790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 571507200

約数和(自身を除く): 369985410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 163, 171, 190, 241, 270, 285, 326, 342, 482, 489, 513, 570, 723, 815, 855, 978, 1026, 1205, 1446, 1467, 1630, 1710, 2169, 2410, 2445, 2565, 2934, 3097, 3615, 4338, 4401, 4579, 4890, 5130, 6194, 6507, 7230, 7335, 8802, 9158, 9291, 10845, 13014, 13737, 14670, 15485, 18582, 21690, 22005, 22895, 27474, 27873, 30970, 32535, 39283, 41211, 44010, 45790, 46455, 55746, 65070, 68685, 78566, 82422, 83619, 92910, 117849, 123633, 137370, 139365, 167238, 196415, 206055, 235698, 247266, 278730, 353547, 392830, 412110, 418095, 589245, 618165, 707094, 746377, 836190, 1060641, 1178490, 1236330, 1492754, 1767735, 2121282, 2239131, 3535470, 3731885, 4478262, 5303205, 6717393, 7463770, 10606410, 11195655, 13434786, 20152179, 22391310, 33586965, 40304358, 67173930, 100760895, 201521790]

約数ペア:

[(1, 201521790), (2, 100760895), (3, 67173930), (5, 40304358), (6, 33586965), (9, 22391310), (10, 20152179), (15, 13434786), (18, 11195655), (19, 10606410), (27, 7463770), (30, 6717393), (38, 5303205), (45, 4478262), (54, 3731885), (57, 3535470), (90, 2239131), (95, 2121282), (114, 1767735), (135, 1492754), (163, 1236330), (171, 1178490), (190, 1060641), (241, 836190), (270, 746377), (285, 707094), (326, 618165), (342, 589245), (482, 418095), (489, 412110), (513, 392830), (570, 353547), (723, 278730), (815, 247266), (855, 235698), (978, 206055), (1026, 196415), (1205, 167238), (1446, 139365), (1467, 137370), (1630, 123633), (1710, 117849), (2169, 92910), (2410, 83619), (2445, 82422), (2565, 78566), (2934, 68685), (3097, 65070), (3615, 55746), (4338, 46455), (4401, 45790), (4579, 44010), (4890, 41211), (5130, 39283), (6194, 32535), (6507, 30970), (7230, 27873), (7335, 27474), (8802, 22895), (9158, 22005), (9291, 21690), (10845, 18582), (13014, 15485), (13737, 14670)]