218325870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1655

約数の個数: 144

約数和(自身を含む): 682051968

約数和(自身を除く): 463726098

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 98, 105, 126, 147, 155, 186, 210, 217, 245, 279, 294, 310, 315, 434, 441, 465, 490, 558, 630, 651, 735, 882, 930, 1085, 1302, 1395, 1470, 1519, 1597, 1953, 2170, 2205, 2790, 3038, 3194, 3255, 3906, 4410, 4557, 4791, 6510, 7595, 7985, 9114, 9582, 9765, 11179, 13671, 14373, 15190, 15970, 19530, 22358, 22785, 23955, 27342, 28746, 33537, 45570, 47910, 49507, 55895, 67074, 68355, 71865, 78253, 99014, 100611, 111790, 136710, 143730, 148521, 156506, 167685, 201222, 234759, 247535, 297042, 335370, 346549, 391265, 445563, 469518, 495070, 503055, 693098, 704277, 742605, 782530, 891126, 1006110, 1039647, 1173795, 1408554, 1485210, 1732745, 2079294, 2227815, 2347590, 2425843, 3118941, 3465490, 3521385, 4455630, 4851686, 5198235, 6237882, 7042770, 7277529, 10396470, 12129215, 14555058, 15594705, 21832587, 24258430, 31189410, 36387645, 43665174, 72775290, 109162935, 218325870]

約数ペア:

[(1, 218325870), (2, 109162935), (3, 72775290), (5, 43665174), (6, 36387645), (7, 31189410), (9, 24258430), (10, 21832587), (14, 15594705), (15, 14555058), (18, 12129215), (21, 10396470), (30, 7277529), (31, 7042770), (35, 6237882), (42, 5198235), (45, 4851686), (49, 4455630), (62, 3521385), (63, 3465490), (70, 3118941), (90, 2425843), (93, 2347590), (98, 2227815), (105, 2079294), (126, 1732745), (147, 1485210), (155, 1408554), (186, 1173795), (210, 1039647), (217, 1006110), (245, 891126), (279, 782530), (294, 742605), (310, 704277), (315, 693098), (434, 503055), (441, 495070), (465, 469518), (490, 445563), (558, 391265), (630, 346549), (651, 335370), (735, 297042), (882, 247535), (930, 234759), (1085, 201222), (1302, 167685), (1395, 156506), (1470, 148521), (1519, 143730), (1597, 136710), (1953, 111790), (2170, 100611), (2205, 99014), (2790, 78253), (3038, 71865), (3194, 68355), (3255, 67074), (3906, 55895), (4410, 49507), (4557, 47910), (4791, 45570), (6510, 33537), (7595, 28746), (7985, 27342), (9114, 23955), (9582, 22785), (9765, 22358), (11179, 19530), (13671, 15970), (14373, 15190)]