213125940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 689729040

約数和(自身を除く): 476603100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 241, 255, 289, 306, 340, 482, 510, 578, 612, 723, 765, 867, 964, 1020, 1156, 1205, 1445, 1446, 1530, 1734, 2169, 2410, 2601, 2890, 2892, 3060, 3468, 3615, 4097, 4335, 4338, 4820, 4913, 5202, 5780, 7230, 8194, 8670, 8676, 9826, 10404, 10845, 12291, 13005, 14460, 14739, 16388, 17340, 19652, 20485, 21690, 24565, 24582, 26010, 29478, 36873, 40970, 43380, 44217, 49130, 49164, 52020, 58956, 61455, 69649, 73695, 73746, 81940, 88434, 98260, 122910, 139298, 147390, 147492, 176868, 184365, 208947, 221085, 245820, 278596, 294780, 348245, 368730, 417894, 442170, 626841, 696490, 737460, 835788, 884340, 1044735, 1184033, 1253682, 1392980, 2089470, 2368066, 2507364, 3134205, 3552099, 4178940, 4736132, 5920165, 6268410, 7104198, 10656297, 11840330, 12536820, 14208396, 17760495, 21312594, 23680660, 35520990, 42625188, 53281485, 71041980, 106562970, 213125940]

約数ペア:

[(1, 213125940), (2, 106562970), (3, 71041980), (4, 53281485), (5, 42625188), (6, 35520990), (9, 23680660), (10, 21312594), (12, 17760495), (15, 14208396), (17, 12536820), (18, 11840330), (20, 10656297), (30, 7104198), (34, 6268410), (36, 5920165), (45, 4736132), (51, 4178940), (60, 3552099), (68, 3134205), (85, 2507364), (90, 2368066), (102, 2089470), (153, 1392980), (170, 1253682), (180, 1184033), (204, 1044735), (241, 884340), (255, 835788), (289, 737460), (306, 696490), (340, 626841), (482, 442170), (510, 417894), (578, 368730), (612, 348245), (723, 294780), (765, 278596), (867, 245820), (964, 221085), (1020, 208947), (1156, 184365), (1205, 176868), (1445, 147492), (1446, 147390), (1530, 139298), (1734, 122910), (2169, 98260), (2410, 88434), (2601, 81940), (2890, 73746), (2892, 73695), (3060, 69649), (3468, 61455), (3615, 58956), (4097, 52020), (4335, 49164), (4338, 49130), (4820, 44217), (4913, 43380), (5202, 40970), (5780, 36873), (7230, 29478), (8194, 26010), (8670, 24582), (8676, 24565), (9826, 21690), (10404, 20485), (10845, 19652), (12291, 17340), (13005, 16388), (14460, 14739)]