40186980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 134918784

約数和(自身を除く): 94731804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 460, 510, 571, 612, 690, 765, 782, 828, 1020, 1035, 1142, 1173, 1380, 1530, 1564, 1713, 1955, 2070, 2284, 2346, 2855, 3060, 3426, 3519, 3910, 4140, 4692, 5139, 5710, 5865, 6852, 7038, 7820, 8565, 9707, 10278, 11420, 11730, 13133, 14076, 17130, 17595, 19414, 20556, 23460, 25695, 26266, 29121, 34260, 35190, 38828, 39399, 48535, 51390, 52532, 58242, 65665, 70380, 78798, 87363, 97070, 102780, 116484, 118197, 131330, 145605, 157596, 174726, 194140, 196995, 223261, 236394, 262660, 291210, 349452, 393990, 436815, 446522, 472788, 582420, 590985, 669783, 787980, 873630, 893044, 1116305, 1181970, 1339566, 1747260, 2009349, 2232610, 2363940, 2679132, 3348915, 4018698, 4465220, 6697830, 8037396, 10046745, 13395660, 20093490, 40186980]

約数ペア:

[(1, 40186980), (2, 20093490), (3, 13395660), (4, 10046745), (5, 8037396), (6, 6697830), (9, 4465220), (10, 4018698), (12, 3348915), (15, 2679132), (17, 2363940), (18, 2232610), (20, 2009349), (23, 1747260), (30, 1339566), (34, 1181970), (36, 1116305), (45, 893044), (46, 873630), (51, 787980), (60, 669783), (68, 590985), (69, 582420), (85, 472788), (90, 446522), (92, 436815), (102, 393990), (115, 349452), (138, 291210), (153, 262660), (170, 236394), (180, 223261), (204, 196995), (207, 194140), (230, 174726), (255, 157596), (276, 145605), (306, 131330), (340, 118197), (345, 116484), (391, 102780), (414, 97070), (460, 87363), (510, 78798), (571, 70380), (612, 65665), (690, 58242), (765, 52532), (782, 51390), (828, 48535), (1020, 39399), (1035, 38828), (1142, 35190), (1173, 34260), (1380, 29121), (1530, 26266), (1564, 25695), (1713, 23460), (1955, 20556), (2070, 19414), (2284, 17595), (2346, 17130), (2855, 14076), (3060, 13133), (3426, 11730), (3519, 11420), (3910, 10278), (4140, 9707), (4692, 8565), (5139, 7820), (5710, 7038), (5865, 6852)]