1661455740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{3467}}^1$

素因数の和:3656

約数の個数: 144

約数和(自身を含む): 5446369152

約数和(自身を除く): 3784913412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 163, 196, 210, 245, 294, 326, 420, 489, 490, 588, 652, 735, 815, 978, 980, 1141, 1470, 1630, 1956, 2282, 2445, 2940, 3260, 3423, 3467, 4564, 4890, 5705, 6846, 6934, 7987, 9780, 10401, 11410, 13692, 13868, 15974, 17115, 17335, 20802, 22820, 23961, 24269, 31948, 34230, 34670, 39935, 41604, 47922, 48538, 52005, 68460, 69340, 72807, 79870, 95844, 97076, 104010, 119805, 121345, 145614, 159740, 169883, 208020, 239610, 242690, 291228, 339766, 364035, 479220, 485380, 509649, 565121, 679532, 728070, 849415, 1019298, 1130242, 1456140, 1695363, 1698830, 2038596, 2260484, 2548245, 2825605, 3390726, 3397660, 3955847, 5096490, 5651210, 6781452, 7911694, 8476815, 10192980, 11302420, 11867541, 15823388, 16953630, 19779235, 23735082, 27690929, 33907260, 39558470, 47470164, 55381858, 59337705, 79116940, 83072787, 110763716, 118675410, 138454645, 166145574, 237350820, 276909290, 332291148, 415363935, 553818580, 830727870, 1661455740]

約数ペア:

[(1, 1661455740), (2, 830727870), (3, 553818580), (4, 415363935), (5, 332291148), (6, 276909290), (7, 237350820), (10, 166145574), (12, 138454645), (14, 118675410), (15, 110763716), (20, 83072787), (21, 79116940), (28, 59337705), (30, 55381858), (35, 47470164), (42, 39558470), (49, 33907260), (60, 27690929), (70, 23735082), (84, 19779235), (98, 16953630), (105, 15823388), (140, 11867541), (147, 11302420), (163, 10192980), (196, 8476815), (210, 7911694), (245, 6781452), (294, 5651210), (326, 5096490), (420, 3955847), (489, 3397660), (490, 3390726), (588, 2825605), (652, 2548245), (735, 2260484), (815, 2038596), (978, 1698830), (980, 1695363), (1141, 1456140), (1470, 1130242), (1630, 1019298), (1956, 849415), (2282, 728070), (2445, 679532), (2940, 565121), (3260, 509649), (3423, 485380), (3467, 479220), (4564, 364035), (4890, 339766), (5705, 291228), (6846, 242690), (6934, 239610), (7987, 208020), (9780, 169883), (10401, 159740), (11410, 145614), (13692, 121345), (13868, 119805), (15974, 104010), (17115, 97076), (17335, 95844), (20802, 79870), (22820, 72807), (23961, 69340), (24269, 68460), (31948, 52005), (34230, 48538), (34670, 47922), (39935, 41604)]