215514390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1006

約数の個数: 128

約数和(自身を含む): 644474880

約数和(自身を除く): 428960490

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 89, 91, 105, 130, 178, 182, 195, 210, 267, 273, 390, 445, 455, 534, 546, 623, 887, 890, 910, 1157, 1246, 1335, 1365, 1774, 1869, 2314, 2661, 2670, 2730, 3115, 3471, 3738, 4435, 5322, 5785, 6209, 6230, 6942, 8099, 8870, 9345, 11531, 11570, 12418, 13305, 16198, 17355, 18627, 18690, 23062, 24297, 26610, 31045, 34593, 34710, 37254, 40495, 48594, 57655, 62090, 69186, 78943, 80717, 80990, 93135, 115310, 121485, 157886, 161434, 172965, 186270, 236829, 242151, 242970, 345930, 394715, 403585, 473658, 484302, 552601, 789430, 807170, 1026259, 1105202, 1184145, 1210755, 1657803, 2052518, 2368290, 2421510, 2763005, 3078777, 3315606, 5131295, 5526010, 6157554, 7183813, 8289015, 10262590, 14367626, 15393885, 16578030, 21551439, 30787770, 35919065, 43102878, 71838130, 107757195, 215514390]

約数ペア:

[(1, 215514390), (2, 107757195), (3, 71838130), (5, 43102878), (6, 35919065), (7, 30787770), (10, 21551439), (13, 16578030), (14, 15393885), (15, 14367626), (21, 10262590), (26, 8289015), (30, 7183813), (35, 6157554), (39, 5526010), (42, 5131295), (65, 3315606), (70, 3078777), (78, 2763005), (89, 2421510), (91, 2368290), (105, 2052518), (130, 1657803), (178, 1210755), (182, 1184145), (195, 1105202), (210, 1026259), (267, 807170), (273, 789430), (390, 552601), (445, 484302), (455, 473658), (534, 403585), (546, 394715), (623, 345930), (887, 242970), (890, 242151), (910, 236829), (1157, 186270), (1246, 172965), (1335, 161434), (1365, 157886), (1774, 121485), (1869, 115310), (2314, 93135), (2661, 80990), (2670, 80717), (2730, 78943), (3115, 69186), (3471, 62090), (3738, 57655), (4435, 48594), (5322, 40495), (5785, 37254), (6209, 34710), (6230, 34593), (6942, 31045), (8099, 26610), (8870, 24297), (9345, 23062), (11531, 18690), (11570, 18627), (12418, 17355), (13305, 16198)]