253961640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2441}}^1$

素因数の和:2492

約数の個数: 144

約数和(自身を含む): 877141980

約数和(自身を除く): 623180340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 289, 306, 340, 360, 408, 510, 578, 612, 680, 765, 867, 1020, 1156, 1224, 1445, 1530, 1734, 2040, 2312, 2441, 2601, 2890, 3060, 3468, 4335, 4882, 5202, 5780, 6120, 6936, 7323, 8670, 9764, 10404, 11560, 12205, 13005, 14646, 17340, 19528, 20808, 21969, 24410, 26010, 29292, 34680, 36615, 41497, 43938, 48820, 52020, 58584, 73230, 82994, 87876, 97640, 104040, 109845, 124491, 146460, 165988, 175752, 207485, 219690, 248982, 292920, 331976, 373473, 414970, 439380, 497964, 622455, 705449, 746946, 829940, 878760, 995928, 1244910, 1410898, 1493892, 1659880, 1867365, 2116347, 2489820, 2821796, 2987784, 3527245, 3734730, 4232694, 4979640, 5643592, 6349041, 7054490, 7469460, 8465388, 10581735, 12698082, 14108980, 14938920, 16930776, 21163470, 25396164, 28217960, 31745205, 42326940, 50792328, 63490410, 84653880, 126980820, 253961640]

約数ペア:

[(1, 253961640), (2, 126980820), (3, 84653880), (4, 63490410), (5, 50792328), (6, 42326940), (8, 31745205), (9, 28217960), (10, 25396164), (12, 21163470), (15, 16930776), (17, 14938920), (18, 14108980), (20, 12698082), (24, 10581735), (30, 8465388), (34, 7469460), (36, 7054490), (40, 6349041), (45, 5643592), (51, 4979640), (60, 4232694), (68, 3734730), (72, 3527245), (85, 2987784), (90, 2821796), (102, 2489820), (120, 2116347), (136, 1867365), (153, 1659880), (170, 1493892), (180, 1410898), (204, 1244910), (255, 995928), (289, 878760), (306, 829940), (340, 746946), (360, 705449), (408, 622455), (510, 497964), (578, 439380), (612, 414970), (680, 373473), (765, 331976), (867, 292920), (1020, 248982), (1156, 219690), (1224, 207485), (1445, 175752), (1530, 165988), (1734, 146460), (2040, 124491), (2312, 109845), (2441, 104040), (2601, 97640), (2890, 87876), (3060, 82994), (3468, 73230), (4335, 58584), (4882, 52020), (5202, 48820), (5780, 43938), (6120, 41497), (6936, 36615), (7323, 34680), (8670, 29292), (9764, 26010), (10404, 24410), (11560, 21969), (12205, 20808), (13005, 19528), (14646, 17340)]