74780370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:605

約数の個数: 144

約数和(自身を含む): 233895168

約数和(自身を除く): 159114798

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, 547, 558, 630, 651, 735, 882, 930, 1085, 1094, 1302, 1395, 1470, 1519, 1641, 1953, 2170, 2205, 2735, 2790, 3038, 3255, 3282, 3829, 3906, 4410, 4557, 4923, 5470, 6510, 7595, 7658, 8205, 9114, 9765, 9846, 11487, 13671, 15190, 16410, 16957, 19145, 19530, 22785, 22974, 24615, 26803, 27342, 33914, 34461, 38290, 45570, 49230, 50871, 53606, 57435, 68355, 68922, 80409, 84785, 101742, 114870, 118699, 134015, 136710, 152613, 160818, 169570, 172305, 237398, 241227, 254355, 268030, 305226, 344610, 356097, 402045, 482454, 508710, 593495, 712194, 763065, 804090, 830893, 1068291, 1186990, 1206135, 1526130, 1661786, 1780485, 2136582, 2412270, 2492679, 3560970, 4154465, 4985358, 5341455, 7478037, 8308930, 10682910, 12463395, 14956074, 24926790, 37390185, 74780370]

約数ペア:

[(1, 74780370), (2, 37390185), (3, 24926790), (5, 14956074), (6, 12463395), (7, 10682910), (9, 8308930), (10, 7478037), (14, 5341455), (15, 4985358), (18, 4154465), (21, 3560970), (30, 2492679), (31, 2412270), (35, 2136582), (42, 1780485), (45, 1661786), (49, 1526130), (62, 1206135), (63, 1186990), (70, 1068291), (90, 830893), (93, 804090), (98, 763065), (105, 712194), (126, 593495), (147, 508710), (155, 482454), (186, 402045), (210, 356097), (217, 344610), (245, 305226), (279, 268030), (294, 254355), (310, 241227), (315, 237398), (434, 172305), (441, 169570), (465, 160818), (490, 152613), (547, 136710), (558, 134015), (630, 118699), (651, 114870), (735, 101742), (882, 84785), (930, 80409), (1085, 68922), (1094, 68355), (1302, 57435), (1395, 53606), (1470, 50871), (1519, 49230), (1641, 45570), (1953, 38290), (2170, 34461), (2205, 33914), (2735, 27342), (2790, 26803), (3038, 24615), (3255, 22974), (3282, 22785), (3829, 19530), (3906, 19145), (4410, 16957), (4557, 16410), (4923, 15190), (5470, 13671), (6510, 11487), (7595, 9846), (7658, 9765), (8205, 9114)]